57052131 has 4 divisors (see below), whose sum is σ = 76069512. Its totient is φ = 38034752.

The previous prime is 57052123. The next prime is 57052169. The reversal of 57052131 is 13125075.

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

It is a cyclic number.

It is not a de Polignac number, because 57052131 - 2³ = 57052123 is a prime.

It is a super-2 number, since 2×57052131² = 6509891303282322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57052181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9508686 + ... + 9508691.

It is an arithmetic number, because the mean of its divisors is an integer number (19017378).

Almost surely, 2^57052131 is an apocalyptic number.

57052131 is a deficient number, since it is larger than the sum of its proper divisors (19017381).

57052131 is a wasteful number, since it uses less digits than its factorization.

57052131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017380.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 57052131 is about 7553.2861060601. The cubic root of 57052131 is about 384.9674026486.

The spelling of 57052131 in words is "fifty-seven million, fifty-two thousand, one hundred thirty-one".