57562231 has 2 divisors, whose sum is σ = 57562232. Its totient is φ = 57562230.

The previous prime is 57562217. The next prime is 57562247. The reversal of 57562231 is 13226575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57562231 - 2⁵ = 57562199 is a prime.

It is a super-2 number, since 2×57562231² = 6626820875394722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57562193 and 57562202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57562831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28781115 + 28781116.

It is an arithmetic number, because the mean of its divisors is an integer number (28781116).

Almost surely, 2^57562231 is an apocalyptic number.

57562231 is a deficient number, since it is larger than the sum of its proper divisors (1).

57562231 is an equidigital number, since it uses as much as digits as its factorization.

57562231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 57562231 is about 7586.9777250233. The cubic root of 57562231 is about 386.1113243474. Note that the first 3 decimals are identical.

The spelling of 57562231 in words is "fifty-seven million, five hundred sixty-two thousand, two hundred thirty-one".