57122885 has 4 divisors (see below), whose sum is σ = 68547468. Its totient is φ = 45698304.

The previous prime is 57122827. The next prime is 57122899. The reversal of 57122885 is 58822175.

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 22572001 + 34550884 = 4751^2 + 5878^2 .

It is a cyclic number.

It is not a de Polignac number, because 57122885 - 2⁸ = 57122629 is a prime.

It is a Duffinian number.

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, 5712284 + ... + 5712293.

It is an arithmetic number, because the mean of its divisors is an integer number (17136867).

Almost surely, 2^57122885 is an apocalyptic number.

It is an amenable number.

57122885 is a deficient number, since it is larger than the sum of its proper divisors (11424583).

57122885 is a wasteful number, since it uses less digits than its factorization.

57122885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424582.

The product of its digits is 44800, while the sum is 38.

The square root of 57122885 is about 7557.9683116562. The cubic root of 57122885 is about 385.1264778138.

The spelling of 57122885 in words is "fifty-seven million, one hundred twenty-two thousand, eight hundred eighty-five".