56585321 has 16 divisors (see below), whose sum is σ = 63942144. Its totient is φ = 49719744.

The previous prime is 56585303. The next prime is 56585329. The reversal of 56585321 is 12358565.

It is a cyclic number.

It is not a de Polignac number, because 56585321 - 2⁶ = 56585257 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56585329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21356 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (3996384).

Almost surely, 2^56585321 is an apocalyptic number.

It is an amenable number.

56585321 is a deficient number, since it is larger than the sum of its proper divisors (7356823).

56585321 is a wasteful number, since it uses less digits than its factorization.

56585321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its digits is 36000, while the sum is 35.

The square root of 56585321 is about 7522.3215166596. The cubic root of 56585321 is about 383.9145702063.

The spelling of 56585321 in words is "fifty-six million, five hundred eighty-five thousand, three hundred twenty-one".