56431075904 has 28 divisors (see below), whose sum is σ = 127977619584. Its totient is φ = 24184746624.

The previous prime is 56431075891. The next prime is 56431075919. The reversal of 56431075904 is 40957013465.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62980664 + ... + 62981559.

Almost surely, 2^56431075904 is an apocalyptic number.

It is an amenable number.

56431075904 is an abundant number, since it is smaller than the sum of its proper divisors (71546543680).

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

56431075904 is a wasteful number, since it uses less digits than its factorization.

56431075904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125962242 (or 125962232 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 56431075904 in words is "fifty-six billion, four hundred thirty-one million, seventy-five thousand, nine hundred four".