56572644 has 24 divisors (see below), whose sum is σ = 136261888. Its totient is φ = 18249120.

The previous prime is 56572619. The next prime is 56572657. The reversal of 56572644 is 44627565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75667 + ... + 76410.

Almost surely, 2^56572644 is an apocalyptic number.

It is an amenable number.

56572644 is an abundant number, since it is smaller than the sum of its proper divisors (79689244).

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

56572644 is a wasteful number, since it uses less digits than its factorization.

56572644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152115 (or 152113 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 56572644 is about 7521.4788439508. The cubic root of 56572644 is about 383.8858981738.

The spelling of 56572644 in words is "fifty-six million, five hundred seventy-two thousand, six hundred forty-four".