57115271 has 2 divisors, whose sum is σ = 57115272. Its totient is φ = 57115270.

The previous prime is 57115231. The next prime is 57115277. The reversal of 57115271 is 17251175.

57115271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57115271 - 2⁶ = 57115207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57115277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28557635 + 28557636.

It is an arithmetic number, because the mean of its divisors is an integer number (28557636).

Almost surely, 2^57115271 is an apocalyptic number.

57115271 is a deficient number, since it is larger than the sum of its proper divisors (1).

57115271 is an equidigital number, since it uses as much as digits as its factorization.

57115271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2450, while the sum is 29.

The square root of 57115271 is about 7557.4645880745. The cubic root of 57115271 is about 385.1093656803.

The spelling of 57115271 in words is "fifty-seven million, one hundred fifteen thousand, two hundred seventy-one".