57164885 has 4 divisors (see below), whose sum is σ = 68597868. Its totient is φ = 45731904.

The previous prime is 57164873. The next prime is 57164911. The reversal of 57164885 is 58846175.

It is a happy number.

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 7349521 + 49815364 = 2711^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 57164885 - 2¹⁴ = 57148501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716484 + ... + 5716493.

It is an arithmetic number, because the mean of its divisors is an integer number (17149467).

Almost surely, 2^57164885 is an apocalyptic number.

It is an amenable number.

57164885 is a deficient number, since it is larger than the sum of its proper divisors (11432983).

57164885 is a wasteful number, since it uses less digits than its factorization.

57164885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432982.

The product of its digits is 268800, while the sum is 44.

The square root of 57164885 is about 7560.7463255951. The cubic root of 57164885 is about 385.2208436671.

It can be divided in two parts, 5716 and 4885, that added together give a palindrome (10601).

The spelling of 57164885 in words is "fifty-seven million, one hundred sixty-four thousand, eight hundred eighty-five".