56585 has 4 divisors (see below), whose sum is σ = 67908. Its totient is φ = 45264.

The previous prime is 56569. The next prime is 56591. The reversal of 56585 is 58565.

56585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 15376 = 203^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 56585 - 2⁴ = 56569 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 9.

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, 5654 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (16977).

2⁵⁶⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

56585 is a deficient number, since it is larger than the sum of its proper divisors (11323).

56585 is a wasteful number, since it uses less digits than its factorization.

56585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322.

The product of its digits is 6000, while the sum is 29.

The square root of 56585 is about 237.8760181271. The cubic root of 56585 is about 38.3913844242.

The spelling of 56585 in words is "fifty-six thousand, five hundred eighty-five".