56731384 has 16 divisors (see below), whose sum is σ = 107185320. Its totient is φ = 28148640.

The previous prime is 56731369. The next prime is 56731387. The reversal of 56731384 is 48313765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56731387) 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, 26019 + ... + 28114.

Almost surely, 2^56731384 is an apocalyptic number.

It is an amenable number.

56731384 is a deficient number, since it is larger than the sum of its proper divisors (50453936).

56731384 is a wasteful number, since it uses less digits than its factorization.

56731384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54270 (or 54266 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 56731384 is about 7532.0238979971. The cubic root of 56731384 is about 384.2446177214.

The spelling of 56731384 in words is "fifty-six million, seven hundred thirty-one thousand, three hundred eighty-four".