56657584 has 20 divisors (see below), whose sum is σ = 113316160. Its totient is φ = 27414720.

The previous prime is 56657567. The next prime is 56657609. The reversal of 56657584 is 48575665.

56657584 is an admirable number.

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, 56619 + ... + 57610.

It is an arithmetic number, because the mean of its divisors is an integer number (5665808).

Almost surely, 2^56657584 is an apocalyptic number.

It is an amenable number.

56657584 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56657584 is a wasteful number, since it uses less digits than its factorization.

56657584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114268 (or 114262 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 56657584 is about 7527.1232220550. The cubic root of 56657584 is about 384.0779283394.

The spelling of 56657584 in words is "fifty-six million, six hundred fifty-seven thousand, five hundred eighty-four".