56004560 has 20 divisors (see below), whose sum is σ = 130210788. Its totient is φ = 22401792.

The previous prime is 56004551. The next prime is 56004577. The reversal of 56004560 is 6540065.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 49674304 = 2516^2 + 7048^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349949 + ... + 350108.

Almost surely, 2^56004560 is an apocalyptic number.

It is an amenable number.

56004560 is an abundant number, since it is smaller than the sum of its proper divisors (74206228).

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

56004560 is a wasteful number, since it uses less digits than its factorization.

56004560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700070 (or 700064 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56004560 is about 7483.6194451615. The cubic root of 56004560 is about 382.5966207562.

The spelling of 56004560 in words is "fifty-six million, four thousand, five hundred sixty".