57422879 has 2 divisors, whose sum is σ = 57422880. Its totient is φ = 57422878.

The previous prime is 57422867. The next prime is 57422887. The reversal of 57422879 is 97822475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57422879 - 2²⁴ = 40645663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57422179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28711439 + 28711440.

It is an arithmetic number, because the mean of its divisors is an integer number (28711440).

Almost surely, 2^57422879 is an apocalyptic number.

57422879 is a deficient number, since it is larger than the sum of its proper divisors (1).

57422879 is an equidigital number, since it uses as much as digits as its factorization.

57422879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 57422879 is about 7577.7885296437. The cubic root of 57422879 is about 385.7994945136.

The spelling of 57422879 in words is "fifty-seven million, four hundred twenty-two thousand, eight hundred seventy-nine".