56624880 has 80 divisors (see below), whose sum is σ = 189050400. Its totient is φ = 13937664.

The previous prime is 56624861. The next prime is 56624891. The reversal of 56624880 is 8842665.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5955 + ... + 12194.

It is an arithmetic number, because the mean of its divisors is an integer number (2363130).

Almost surely, 2^56624880 is an apocalyptic number.

It is an amenable number.

56624880 is an abundant number, since it is smaller than the sum of its proper divisors (132425520).

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

56624880 is a wasteful number, since it uses less digits than its factorization.

56624880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178 (or 18172 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 56624880 is about 7524.9504981761. The cubic root of 56624880 is about 384.0040147150.

The spelling of 56624880 in words is "fifty-six million, six hundred twenty-four thousand, eight hundred eighty".