56158725 has 48 divisors (see below), whose sum is σ = 108743040. Its totient is φ = 25036800.

The previous prime is 56158717. The next prime is 56158757. The reversal of 56158725 is 52785165.

It is not a de Polignac number, because 56158725 - 2³ = 56158717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20221 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (2265480).

Almost surely, 2^56158725 is an apocalyptic number.

It is an amenable number.

56158725 is a deficient number, since it is larger than the sum of its proper divisors (52584315).

56158725 is a wasteful number, since it uses less digits than its factorization.

56158725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2665 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 56158725 is about 7493.9125295135. The cubic root of 56158725 is about 382.9473598709.

The spelling of 56158725 in words is "fifty-six million, one hundred fifty-eight thousand, seven hundred twenty-five".