56756816 has 20 divisors (see below), whose sum is σ = 112939572. Its totient is φ = 27611136.

The previous prime is 56756807. The next prime is 56756827. The reversal of 56756816 is 61865765.

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 13249600 = 6596^2 + 3640^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct 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, 47345 + ... + 48528.

Almost surely, 2^56756816 is an apocalyptic number.

It is an amenable number.

56756816 is a deficient number, since it is larger than the sum of its proper divisors (56182756).

56756816 is a wasteful number, since it uses less digits than its factorization.

56756816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95918 (or 95912 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 56756816 is about 7533.7119668859. The cubic root of 56756816 is about 384.3020265638.

The spelling of 56756816 in words is "fifty-six million, seven hundred fifty-six thousand, eight hundred sixteen".