56718312 has 32 divisors (see below), whose sum is σ = 162052800. Its totient is φ = 16205184.

The previous prime is 56718301. The next prime is 56718323. The reversal of 56718312 is 21381765.

It is an interprime number because it is at equal distance from previous prime (56718301) and next prime (56718323).

It is a super-2 number, since 2×56718312² = 6433933832258688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168637 + ... + 168972.

It is an arithmetic number, because the mean of its divisors is an integer number (5064150).

Almost surely, 2^56718312 is an apocalyptic number.

It is an amenable number.

56718312 is an abundant number, since it is smaller than the sum of its proper divisors (105334488).

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

56718312 is a wasteful number, since it uses less digits than its factorization.

56718312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337625 (or 337621 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 56718312 is about 7531.1560865514. The cubic root of 56718312 is about 384.2151030088.

The spelling of 56718312 in words is "fifty-six million, seven hundred eighteen thousand, three hundred twelve".