57105679 has 2 divisors, whose sum is σ = 57105680. Its totient is φ = 57105678.

The previous prime is 57105667. The next prime is 57105701. The reversal of 57105679 is 97650175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57105679 - 2⁵ = 57105647 is a prime.

It is a super-2 number, since 2×57105679² = 6522117148102082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57105649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28552839 + 28552840.

It is an arithmetic number, because the mean of its divisors is an integer number (28552840).

Almost surely, 2^57105679 is an apocalyptic number.

57105679 is a deficient number, since it is larger than the sum of its proper divisors (1).

57105679 is an equidigital number, since it uses as much as digits as its factorization.

57105679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 57105679 is about 7556.8299570653. The cubic root of 57105679 is about 385.0878059131.

The spelling of 57105679 in words is "fifty-seven million, one hundred five thousand, six hundred seventy-nine".