56837028 has 24 divisors (see below), whose sum is σ = 132778240. Its totient is φ = 18923040.

The previous prime is 56837023. The next prime is 56837057. The reversal of 56837028 is 82073865.

It is not an unprimeable number, because it can be changed into a prime (56837021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9933 + ... + 14571.

Almost surely, 2^56837028 is an apocalyptic number.

It is an amenable number.

56837028 is an abundant number, since it is smaller than the sum of its proper divisors (75941212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56837028 is a wasteful number, since it uses less digits than its factorization.

56837028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 56837028 is about 7539.0336250742. The cubic root of 56837028 is about 384.4829805953.

The spelling of 56837028 in words is "fifty-six million, eight hundred thirty-seven thousand, twenty-eight".