57004231 has 2 divisors, whose sum is σ = 57004232. Its totient is φ = 57004230.

The previous prime is 57004223. The next prime is 57004261. The reversal of 57004231 is 13240075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57004231 - 2³ = 57004223 is a prime.

It is a super-2 number, since 2×57004231² = 6498964703802722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57004201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502115 + 28502116.

It is an arithmetic number, because the mean of its divisors is an integer number (28502116).

Almost surely, 2^57004231 is an apocalyptic number.

57004231 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004231 is an equidigital number, since it uses as much as digits as its factorization.

57004231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57004231 is about 7550.1146348913. The cubic root of 57004231 is about 384.8596351192.

The spelling of 57004231 in words is "fifty-seven million, four thousand, two hundred thirty-one".