56919028 has 12 divisors (see below), whose sum is σ = 99934912. Its totient is φ = 28366200.

The previous prime is 56918989. The next prime is 56919047. The reversal of 56919028 is 82091965.

56919028 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, 21948 + ... + 24403.

Almost surely, 2^56919028 is an apocalyptic number.

It is an amenable number.

56919028 is a deficient number, since it is larger than the sum of its proper divisors (43015884).

56919028 is a wasteful number, since it uses less digits than its factorization.

56919028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46662 (or 46660 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 56919028 is about 7544.4700277753. The cubic root of 56919028 is about 384.6677923622.

The spelling of 56919028 in words is "fifty-six million, nine hundred nineteen thousand, twenty-eight".