56919936 has 32 divisors (see below), whose sum is σ = 151194600. Its totient is φ = 18973184.

The previous prime is 56919923. The next prime is 56919959. The reversal of 56919936 is 63991965.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×56919936² = 6479758228488192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 73731 + ... + 74498.

Almost surely, 2^56919936 is an apocalyptic number.

It is an amenable number.

56919936 is an abundant number, since it is smaller than the sum of its proper divisors (94274664).

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

56919936 is a wasteful number, since it uses less digits than its factorization.

56919936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148246 (or 148234 counting only the distinct ones).

The product of its digits is 393660, while the sum is 48.

The square root of 56919936 is about 7544.5302040617. The cubic root of 56919936 is about 384.6698378205.

The spelling of 56919936 in words is "fifty-six million, nine hundred nineteen thousand, nine hundred thirty-six".