57475679 has 2 divisors, whose sum is σ = 57475680. Its totient is φ = 57475678.

The previous prime is 57475669. The next prime is 57475681. The reversal of 57475679 is 97657475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57475679 - 2²⁰ = 56427103 is a prime.

It is a super-2 number, since 2×57475679² = 6606907353022082, which contains 22 as substring.

Together with 57475681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57475609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28737839 + 28737840.

It is an arithmetic number, because the mean of its divisors is an integer number (28737840).

Almost surely, 2^57475679 is an apocalyptic number.

57475679 is a deficient number, since it is larger than the sum of its proper divisors (1).

57475679 is an equidigital number, since it uses as much as digits as its factorization.

57475679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1852200, while the sum is 50.

The square root of 57475679 is about 7581.2715951877. The cubic root of 57475679 is about 385.9177050795.

The spelling of 57475679 in words is "fifty-seven million, four hundred seventy-five thousand, six hundred seventy-nine".