56885580 has 36 divisors (see below), whose sum is σ = 172553472. Its totient is φ = 15169440.

The previous prime is 56885537. The next prime is 56885581. The reversal of 56885580 is 8558865.

56885580 is a `hidden beast` number, since 5 + 68 + 8 + 5 + 580 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (56885581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157836 + ... + 158195.

It is an arithmetic number, because the mean of its divisors is an integer number (4793152).

Almost surely, 2^56885580 is an apocalyptic number.

It is an amenable number.

56885580 is an abundant number, since it is smaller than the sum of its proper divisors (115667892).

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

56885580 is a wasteful number, since it uses less digits than its factorization.

56885580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316046 (or 316041 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 56885580 is about 7542.2529790508. The cubic root of 56885580 is about 384.5924286401.

The spelling of 56885580 in words is "fifty-six million, eight hundred eighty-five thousand, five hundred eighty".