57338431 has 2 divisors, whose sum is σ = 57338432. Its totient is φ = 57338430.

The previous prime is 57338417. The next prime is 57338453. The reversal of 57338431 is 13483375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57338431 - 2²⁵ = 23783999 is a prime.

It is a super-2 number, since 2×57338431² = 6575391339083522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57335431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28669215 + 28669216.

It is an arithmetic number, because the mean of its divisors is an integer number (28669216).

Almost surely, 2^57338431 is an apocalyptic number.

57338431 is a deficient number, since it is larger than the sum of its proper divisors (1).

57338431 is an equidigital number, since it uses as much as digits as its factorization.

57338431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 57338431 is about 7572.2144053110. The cubic root of 57338431 is about 385.6102785285.

The spelling of 57338431 in words is "fifty-seven million, three hundred thirty-eight thousand, four hundred thirty-one".