56784928 has 12 divisors (see below), whose sum is σ = 111795390. Its totient is φ = 28392448.

The previous prime is 56784887. The next prime is 56784941. The reversal of 56784928 is 82948765.

It can be written as a sum of positive squares in only one way, i.e., 46621584 + 10163344 = 6828^2 + 3188^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887233 + ... + 887296.

Almost surely, 2^56784928 is an apocalyptic number.

It is an amenable number.

56784928 is a deficient number, since it is larger than the sum of its proper divisors (55010462).

56784928 is a wasteful number, since it uses less digits than its factorization.

56784928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774539 (or 1774531 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 56784928 is about 7535.5774828476. The cubic root of 56784928 is about 384.3654651434.

The spelling of 56784928 in words is "fifty-six million, seven hundred eighty-four thousand, nine hundred twenty-eight".