56733564 has 12 divisors (see below), whose sum is σ = 132378344. Its totient is φ = 18911184.

The previous prime is 56733557. The next prime is 56733623. The reversal of 56733564 is 46533765.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2363887 + ... + 2363910.

Almost surely, 2^56733564 is an apocalyptic number.

It is an amenable number.

56733564 is an abundant number, since it is smaller than the sum of its proper divisors (75644780).

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

56733564 is a wasteful number, since it uses less digits than its factorization.

56733564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727804 (or 4727802 counting only the distinct ones).

The product of its digits is 226800, while the sum is 39.

The square root of 56733564 is about 7532.1686120267. The cubic root of 56733564 is about 384.2495394095.

The spelling of 56733564 in words is "fifty-six million, seven hundred thirty-three thousand, five hundred sixty-four".