57111127 has 2 divisors, whose sum is σ = 57111128. Its totient is φ = 57111126.

The previous prime is 57111113. The next prime is 57111133. The reversal of 57111127 is 72111175.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57111127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57111137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28555563 + 28555564.

It is an arithmetic number, because the mean of its divisors is an integer number (28555564).

Almost surely, 2^57111127 is an apocalyptic number.

57111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

57111127 is an equidigital number, since it uses as much as digits as its factorization.

57111127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 490, while the sum is 25.

The square root of 57111127 is about 7557.1904170796. The cubic root of 57111127 is about 385.1000515817.

The spelling of 57111127 in words is "fifty-seven million, one hundred eleven thousand, one hundred twenty-seven".