56776028 has 12 divisors (see below), whose sum is σ = 104587560. Its totient is φ = 26893872.

The previous prime is 56775989. The next prime is 56776043. The reversal of 56776028 is 82067765.

It is a happy number.

56776028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373451 + ... + 373602.

It is an arithmetic number, because the mean of its divisors is an integer number (8715630).

Almost surely, 2^56776028 is an apocalyptic number.

It is an amenable number.

56776028 is a deficient number, since it is larger than the sum of its proper divisors (47811532).

56776028 is a wasteful number, since it uses less digits than its factorization.

56776028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747076 (or 747074 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 56776028 is about 7534.9869276595. The cubic root of 56776028 is about 384.3453833395.

The spelling of 56776028 in words is "fifty-six million, seven hundred seventy-six thousand, twenty-eight".