56331768 has 32 divisors (see below), whose sum is σ = 142531200. Its totient is φ = 18550368.

The previous prime is 56331733. The next prime is 56331787. The reversal of 56331768 is 86713365.

It is a congruent number.

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, 12148 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (4454100).

Almost surely, 2^56331768 is an apocalyptic number.

It is an amenable number.

56331768 is an abundant number, since it is smaller than the sum of its proper divisors (86199432).

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

56331768 is a wasteful number, since it uses less digits than its factorization.

56331768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28371 (or 28367 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 56331768 is about 7505.4492203998. The cubic root of 56331768 is about 383.3402843520.

The spelling of 56331768 in words is "fifty-six million, three hundred thirty-one thousand, seven hundred sixty-eight".