56589916 has 12 divisors (see below), whose sum is σ = 99546832. Its totient is φ = 28147968.

The previous prime is 56589901. The next prime is 56589917. The reversal of 56589916 is 61998565.

It is a self number, because there is not a number n which added to its sum of digits gives 56589916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56589917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35880 + ... + 37423.

Almost surely, 2^56589916 is an apocalyptic number.

It is an amenable number.

56589916 is a deficient number, since it is larger than the sum of its proper divisors (42956916).

56589916 is a wasteful number, since it uses less digits than its factorization.

56589916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73500 (or 73498 counting only the distinct ones).

The product of its digits is 583200, while the sum is 49.

The square root of 56589916 is about 7522.6269347881. The cubic root of 56589916 is about 383.9249618278.

The spelling of 56589916 in words is "fifty-six million, five hundred eighty-nine thousand, nine hundred sixteen".