56920560 has 60 divisors (see below), whose sum is σ = 176816808. Its totient is φ = 15147648.

The previous prime is 56920559. The next prime is 56920571. The reversal of 56920560 is 6502965.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116637 + ... + 117123.

Almost surely, 2^56920560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56920560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88408404).

56920560 is an abundant number, since it is smaller than the sum of its proper divisors (119896248).

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

56920560 is an equidigital number, since it uses as much as digits as its factorization.

56920560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 56920560 is about 7544.5715584120. The cubic root of 56920560 is about 384.6712434973.

The spelling of 56920560 in words is "fifty-six million, nine hundred twenty thousand, five hundred sixty".