57023131 has 8 divisors (see below), whose sum is σ = 62281728. Its totient is φ = 51777000.

The previous prime is 57023129. The next prime is 57023137. The reversal of 57023131 is 13132075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57023131 - 2¹ = 57023129 is a prime.

It is a super-2 number, since 2×57023131² = 6503274938086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57023137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8286 + ... + 13516.

It is an arithmetic number, because the mean of its divisors is an integer number (7785216).

Almost surely, 2^57023131 is an apocalyptic number.

57023131 is a deficient number, since it is larger than the sum of its proper divisors (5258597).

57023131 is a wasteful number, since it uses less digits than its factorization.

57023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 57023131 is about 7551.3661677871. The cubic root of 57023131 is about 384.9021643796.

The spelling of 57023131 in words is "fifty-seven million, twenty-three thousand, one hundred thirty-one".