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54550740 = 223529107293
BaseRepresentation
bin1101000000011…
…0000011010100
310210122110112210
43100012003110
5102431110430
65225113420
71231450026
oct320060324
9123573483
1054550740
1128879862
1216328870
13b3bc85a
147360016
154bc82b0
hex34060d4

54550740 has 96 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 13866496.

The previous prime is 54550723. The next prime is 54550747. The reversal of 54550740 is 4705545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54550698 and 54550707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54550747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186034 + ... + 186326.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 254550740 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 54550740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).

54550740 is an abundant number, since it is smaller than the sum of its proper divisors (105479340).

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

54550740 is a wasteful number, since it uses less digits than its factorization.

54550740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 54550740 is about 7385.8472770563. The cubic root of 54550740 is about 379.2569505786.

The spelling of 54550740 in words is "fifty-four million, five hundred fifty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 107 116 145 174 214 290 293 321 348 428 435 535 580 586 642 870 879 1070 1172 1284 1465 1605 1740 1758 2140 2930 3103 3210 3516 4395 5860 6206 6420 8497 8790 9309 12412 15515 16994 17580 18618 25491 31030 31351 33988 37236 42485 46545 50982 62060 62702 84970 93090 94053 101964 125404 127455 156755 169940 186180 188106 254910 313510 376212 470265 509820 627020 909179 940530 1818358 1881060 2727537 3636716 4545895 5455074 9091790 10910148 13637685 18183580 27275370 54550740