56624872 has 16 divisors (see below), whose sum is σ = 106553700. Its totient is φ = 28210560.

The previous prime is 56624861. The next prime is 56624891. The reversal of 56624872 is 27842665.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 8099716 = 6966^2 + 2846^2 .

It is a super-2 number, since 2×56624872² = 6412752258032768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10347 + ... + 14842.

Almost surely, 2^56624872 is an apocalyptic number.

It is an amenable number.

56624872 is a deficient number, since it is larger than the sum of its proper divisors (49928828).

56624872 is a wasteful number, since it uses less digits than its factorization.

56624872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476 (or 25472 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 56624872 is about 7524.9499666111. The cubic root of 56624872 is about 384.0039966309.

The spelling of 56624872 in words is "fifty-six million, six hundred twenty-four thousand, eight hundred seventy-two".