56573285 has 4 divisors (see below), whose sum is σ = 67887948. Its totient is φ = 45258624.

The previous prime is 56573273. The next prime is 56573303. The reversal of 56573285 is 58237565.

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 38950081 + 17623204 = 6241^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 56573285 - 2⁴ = 56573269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657324 + ... + 5657333.

It is an arithmetic number, because the mean of its divisors is an integer number (16971987).

Almost surely, 2^56573285 is an apocalyptic number.

It is an amenable number.

56573285 is a deficient number, since it is larger than the sum of its proper divisors (11314663).

56573285 is a wasteful number, since it uses less digits than its factorization.

56573285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314662.

The product of its digits is 252000, while the sum is 41.

The square root of 56573285 is about 7521.5214551313. The cubic root of 56573285 is about 383.8873480496.

The spelling of 56573285 in words is "fifty-six million, five hundred seventy-three thousand, two hundred eighty-five".