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54043551 = 335773469
BaseRepresentation
bin1100111000101…
…0001110011111
310202200200211000
43032022032133
5102313343201
65210201343
71224235242
oct316121637
9122620730
1054043551
11285627a1
1216123253
13b272a43
14726b259
154b27d86
hex338a39f

54043551 has 16 divisors (see below), whose sum is σ = 80226400. Its totient is φ = 35956224.

The previous prime is 54043513. The next prime is 54043553. The reversal of 54043551 is 15534045.

It is not a de Polignac number, because 54043551 - 26 = 54043487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54043553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13845 + ... + 17313.

It is an arithmetic number, because the mean of its divisors is an integer number (5014150).

Almost surely, 254043551 is an apocalyptic number.

54043551 is a deficient number, since it is larger than the sum of its proper divisors (26182849).

54043551 is a wasteful number, since it uses less digits than its factorization.

54043551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 54043551 is about 7351.4319013373. The cubic root of 54043551 is about 378.0779002965.

Adding to 54043551 its reverse (15534045), we get a palindrome (69577596).

The spelling of 54043551 in words is "fifty-four million, forty-three thousand, five hundred fifty-one".

Divisors: 1 3 9 27 577 1731 3469 5193 10407 15579 31221 93663 2001613 6004839 18014517 54043551