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54055904 = 257241321
BaseRepresentation
bin1100111000110…
…1001111100000
310202201022202112
43032031033200
5102314242104
65210334452
71224316250
oct316151740
9122638675
1054055904
1128571001
121612a428
13b278556
147271960
154b2b86e
hex338d3e0

54055904 has 24 divisors (see below), whose sum is σ = 121626288. Its totient is φ = 23166720.

The previous prime is 54055891. The next prime is 54055951. The reversal of 54055904 is 40955045.

It is a happy number.

54055904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 120437 + ... + 120884.

It is an arithmetic number, because the mean of its divisors is an integer number (5067762).

Almost surely, 254055904 is an apocalyptic number.

It is an amenable number.

54055904 is an abundant number, since it is smaller than the sum of its proper divisors (67570384).

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

54055904 is a wasteful number, since it uses less digits than its factorization.

54055904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241338 (or 241330 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 54055904 is about 7352.2720297878. The cubic root of 54055904 is about 378.1067044764.

The spelling of 54055904 in words is "fifty-four million, fifty-five thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 241321 482642 965284 1689247 1930568 3378494 3861136 6756988 7722272 13513976 27027952 54055904