54857355904 has 32 divisors (see below), whose sum is σ = 117692768340. Its totient is φ = 25318778880.

The previous prime is 54857355877. The next prime is 54857355923. The reversal of 54857355904 is 40955375845.

It can be written as a sum of positive squares in 2 ways, for example, as 46936355904 + 7921000000 = 216648^2 + 89000^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 16481917 + ... + 16485244.

Almost surely, 2^54857355904 is an apocalyptic number.

It is an amenable number.

54857355904 is an abundant number, since it is smaller than the sum of its proper divisors (62835412436).

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

54857355904 is a wasteful number, since it uses less digits than its factorization.

54857355904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32967188 (or 32967176 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 55.

The spelling of 54857355904 in words is "fifty-four billion, eight hundred fifty-seven million, three hundred fifty-five thousand, nine hundred four".