57397127 has 2 divisors, whose sum is σ = 57397128. Its totient is φ = 57397126.

The previous prime is 57397099. The next prime is 57397139. The reversal of 57397127 is 72179375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57397127 - 2¹⁰ = 57396103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57397187) 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, 28698563 + 28698564.

It is an arithmetic number, because the mean of its divisors is an integer number (28698564).

Almost surely, 2^57397127 is an apocalyptic number.

57397127 is a deficient number, since it is larger than the sum of its proper divisors (1).

57397127 is an equidigital number, since it uses as much as digits as its factorization.

57397127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 57397127 is about 7576.0891626221. The cubic root of 57397127 is about 385.7418137058.

The spelling of 57397127 in words is "fifty-seven million, three hundred ninety-seven thousand, one hundred twenty-seven".