56689952 has 42 divisors (see below), whose sum is σ = 122769171. Its totient is φ = 25768160.

The previous prime is 56689937. The next prime is 56689961. The reversal of 56689952 is 25998665.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 28344976 = 5324^2 + 5324^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5324.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56689952.

It is an unprimeable number.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 5153627 + ... + 5153637.

Almost surely, 2^56689952 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 56689952

56689952 is an abundant number, since it is smaller than the sum of its proper divisors (66079219).

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

56689952 is an frugal number, since it uses more digits than its factorization.

56689952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 13 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The square root of 56689952 is about 7529.2730060744. The cubic root of 56689952 is about 384.1510545763.

Multiplying 56689952 by its sum of digits (50), we get a square (2834497600 = 53240²).

The spelling of 56689952 in words is "fifty-six million, six hundred eighty-nine thousand, nine hundred fifty-two".