56939216 has 20 divisors (see below), whose sum is σ = 110456100. Its totient is φ = 28434432.

The previous prime is 56939177. The next prime is 56939249. The reversal of 56939216 is 61293965.

It can be written as a sum of positive squares in 2 ways, for example, as 24403600 + 32535616 = 4940^2 + 5704^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 15440 + ... + 18768.

It is an arithmetic number, because the mean of its divisors is an integer number (5522805).

Almost surely, 2^56939216 is an apocalyptic number.

It is an amenable number.

56939216 is a deficient number, since it is larger than the sum of its proper divisors (53516884).

56939216 is a wasteful number, since it uses less digits than its factorization.

56939216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406 (or 4400 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 56939216 is about 7545.8078427694. The cubic root of 56939216 is about 384.7132648854.

The spelling of 56939216 in words is "fifty-six million, nine hundred thirty-nine thousand, two hundred sixteen".