56620560 has 40 divisors (see below), whose sum is σ = 175524480. Its totient is φ = 15098752.

The previous prime is 56620541. The next prime is 56620573. The reversal of 56620560 is 6502665.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117720 + ... + 118199.

It is an arithmetic number, because the mean of its divisors is an integer number (4388112).

Almost surely, 2^56620560 is an apocalyptic number.

It is an amenable number.

56620560 is an abundant number, since it is smaller than the sum of its proper divisors (118903920).

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

56620560 is a wasteful number, since it uses less digits than its factorization.

56620560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235935 (or 235929 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56620560 is about 7524.6634476234. The cubic root of 56620560 is about 383.9942490458.

The spelling of 56620560 in words is "fifty-six million, six hundred twenty thousand, five hundred sixty".