56904845634 has 48 divisors (see below), whose sum is σ = 151746259392. Its totient is φ = 15007870944.

The previous prime is 56904845633. The next prime is 56904845651. The reversal of 56904845634 is 43654840965.

56904845634 is a `hidden beast` number, since 569 + 0 + 4 + 8 + 45 + 6 + 34 = 666.

56904845634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56904845634² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56904845633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17368584 + ... + 17371859.

It is an arithmetic number, because the mean of its divisors is an integer number (3161380404).

Almost surely, 2^56904845634 is an apocalyptic number.

56904845634 is an abundant number, since it is smaller than the sum of its proper divisors (94841413758).

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

56904845634 is a wasteful number, since it uses less digits than its factorization.

56904845634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34740471 (or 34740468 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 56904845634 in words is "fifty-six billion, nine hundred four million, eight hundred forty-five thousand, six hundred thirty-four".