56172290684 has 24 divisors (see below), whose sum is σ = 102586393728. Its totient is φ = 26862152240.

The previous prime is 56172290683. The next prime is 56172290701. The reversal of 56172290684 is 48609227165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56172290683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023059 + ... + 1076565.

It is an arithmetic number, because the mean of its divisors is an integer number (4274433072).

Almost surely, 2^56172290684 is an apocalyptic number.

It is an amenable number.

56172290684 is a deficient number, since it is larger than the sum of its proper divisors (46414103044).

56172290684 is a wasteful number, since it uses less digits than its factorization.

56172290684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64945 (or 64943 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 56172290684 in words is "fifty-six billion, one hundred seventy-two million, two hundred ninety thousand, six hundred eighty-four".