56320560 has 240 divisors, whose sum is σ = 208915200. Its totient is φ = 13533696.

The previous prime is 56320559. The next prime is 56320603. The reversal of 56320560 is 6502365.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314551 + ... + 314729.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^56320560 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 56320560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

56320560 is an abundant number, since it is smaller than the sum of its proper divisors (152594640).

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

56320560 is a wasteful number, since it uses less digits than its factorization.

56320560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56320560 is about 7504.7025257501. The cubic root of 56320560 is about 383.3148590130.

The spelling of 56320560 in words is "fifty-six million, three hundred twenty thousand, five hundred sixty".