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54351648 = 2534131613
BaseRepresentation
bin1100111101010…
…1011100100000
310210021100110000
43033111130200
5102403223043
65220540000
71226660421
oct317253440
9123240400
1054351648
112875321a
1216251600
13b350050
14730b648
154b892d3
hex33d5720

54351648 has 120 divisors (see below), whose sum is σ = 172249308. Its totient is φ = 16713216.

The previous prime is 54351643. The next prime is 54351667. The reversal of 54351648 is 84615345.

It is a happy number.

54351648 is a `hidden beast` number, since 5 + 4 + 3 + 5 + 1 + 648 = 666.

54351648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53406864 + 944784 = 7308^2 + 972^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54351643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32890 + ... + 34502.

Almost surely, 254351648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54351648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86124654).

54351648 is an abundant number, since it is smaller than the sum of its proper divisors (117897660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54351648 is a wasteful number, since it uses less digits than its factorization.

54351648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1631 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 54351648 is about 7372.3570179421. The cubic root of 54351648 is about 378.7950010249.

The spelling of 54351648 in words is "fifty-four million, three hundred fifty-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 208 216 234 288 312 324 351 416 432 468 624 648 702 864 936 1053 1248 1296 1404 1613 1872 2106 2592 2808 3226 3744 4212 4839 5616 6452 8424 9678 11232 12904 14517 16848 19356 20969 25808 29034 33696 38712 41938 43551 51616 58068 62907 77424 83876 87102 116136 125814 130653 154848 167752 174204 188721 232272 251628 261306 335504 348408 377442 464544 503256 522612 566163 671008 696816 754884 1006512 1045224 1132326 1393632 1509768 1698489 2013024 2090448 2264652 3019536 3396978 4180896 4529304 6039072 6793956 9058608 13587912 18117216 27175824 54351648