56919136 has 48 divisors (see below), whose sum is σ = 118843200. Its totient is φ = 26759808.

The previous prime is 56919133. The next prime is 56919157. The reversal of 56919136 is 63191965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56919133) 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, 108571 + ... + 109093.

It is an arithmetic number, because the mean of its divisors is an integer number (2475900).

Almost surely, 2^56919136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56919136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59421600).

56919136 is an abundant number, since it is smaller than the sum of its proper divisors (61924064).

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

56919136 is a wasteful number, since it uses less digits than its factorization.

56919136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 723 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 56919136 is about 7544.4771853323. The cubic root of 56919136 is about 384.6680356557.

The spelling of 56919136 in words is "fifty-six million, nine hundred nineteen thousand, one hundred thirty-six".