56993472 has 42 divisors (see below), whose sum is σ = 163363148. Its totient is φ = 18997632.

The previous prime is 56993467. The next prime is 56993491. The reversal of 56993472 is 27439965.

It is a happy number.

It is a super-2 number, since 2×56993472² = 6496511701229568, which contains 22 as substring.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48898 + ... + 50049.

Almost surely, 2^56993472 is an apocalyptic number.

It is an amenable number.

56993472 is an abundant number, since it is smaller than the sum of its proper divisors (106369676).

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

56993472 is a wasteful number, since it uses less digits than its factorization.

56993472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98965 (or 98952 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 56993472 is about 7549.4020955305. The cubic root of 56993472 is about 384.8354207449.

The spelling of 56993472 in words is "fifty-six million, nine hundred ninety-three thousand, four hundred seventy-two".