56572637572 has 12 divisors (see below), whose sum is σ = 108002308176. Its totient is φ = 25714835240.

The previous prime is 56572637551. The next prime is 56572637581. The reversal of 56572637572 is 27573627565.

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, 642870838 + ... + 642870925.

It is an arithmetic number, because the mean of its divisors is an integer number (9000192348).

Almost surely, 2^56572637572 is an apocalyptic number.

It is an amenable number.

56572637572 is a deficient number, since it is larger than the sum of its proper divisors (51429670604).

56572637572 is a wasteful number, since it uses less digits than its factorization.

56572637572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285741778 (or 1285741776 counting only the distinct ones).

The product of its digits is 18522000, while the sum is 55.

The spelling of 56572637572 in words is "fifty-six billion, five hundred seventy-two million, six hundred thirty-seven thousand, five hundred seventy-two".