56565632 has 32 divisors (see below), whose sum is σ = 113052720. Its totient is φ = 28191744.

The previous prime is 56565617. The next prime is 56565667. The reversal of 56565632 is 23656565.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent 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, 58013 + ... + 58979.

Almost surely, 2^56565632 is an apocalyptic number.

It is an amenable number.

56565632 is a deficient number, since it is larger than the sum of its proper divisors (56487088).

56565632 is an equidigital number, since it uses as much as digits as its factorization.

56565632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1426 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 56565632 is about 7521.0126977688. The cubic root of 56565632 is about 383.8700370381.

It can be divided in two parts, 5656563 and 2, that added together give a palindrome (5656565).

The spelling of 56565632 in words is "fifty-six million, five hundred sixty-five thousand, six hundred thirty-two".