56158724 has 12 divisors (see below), whose sum is σ = 98615244. Its totient is φ = 27982944.

The previous prime is 56158717. The next prime is 56158757. The reversal of 56158724 is 42785165.

It can be written as a sum of positive squares in 2 ways, for example, as 31158724 + 25000000 = 5582^2 + 5000^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22787 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (8217937).

Almost surely, 2^56158724 is an apocalyptic number.

It is an amenable number.

56158724 is a deficient number, since it is larger than the sum of its proper divisors (42456520).

56158724 is a wasteful number, since it uses less digits than its factorization.

56158724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48214 (or 48212 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 56158724 is about 7493.9124627927. The cubic root of 56158724 is about 382.9473575978.

The spelling of 56158724 in words is "fifty-six million, one hundred fifty-eight thousand, seven hundred twenty-four".