56624428 has 12 divisors (see below), whose sum is σ = 113248912. Its totient is φ = 24267600.

The previous prime is 56624423. The next prime is 56624441. The reversal of 56624428 is 82442665.

56624428 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56624423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011123 + ... + 1011178.

Almost surely, 2^56624428 is an apocalyptic number.

It is an amenable number.

56624428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56624428 is a wasteful number, since it uses less digits than its factorization.

56624428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022312 (or 2022310 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 56624428 is about 7524.9204646960. The cubic root of 56624428 is about 384.0029929599.

The spelling of 56624428 in words is "fifty-six million, six hundred twenty-four thousand, four hundred twenty-eight".