56813372 has 72 divisors (see below), whose sum is σ = 128254560. Its totient is φ = 21542400.

The previous prime is 56813311. The next prime is 56813377. The reversal of 56813372 is 27331865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56813377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138704 + ... + 139112.

Almost surely, 2^56813372 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 56813372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64127280).

56813372 is an abundant number, since it is smaller than the sum of its proper divisors (71441188).

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

56813372 is a wasteful number, since it uses less digits than its factorization.

56813372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 470 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 56813372 is about 7537.4645604474. The cubic root of 56813372 is about 384.4296316205.

The spelling of 56813372 in words is "fifty-six million, eight hundred thirteen thousand, three hundred seventy-two".