57317279 has 2 divisors, whose sum is σ = 57317280. Its totient is φ = 57317278.

The previous prime is 57317269. The next prime is 57317291. The reversal of 57317279 is 97271375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57317279 - 2⁸ = 57317023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57317269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28658639 + 28658640.

It is an arithmetic number, because the mean of its divisors is an integer number (28658640).

Almost surely, 2^57317279 is an apocalyptic number.

57317279 is a deficient number, since it is larger than the sum of its proper divisors (1).

57317279 is an equidigital number, since it uses as much as digits as its factorization.

57317279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 57317279 is about 7570.8175912513. The cubic root of 57317279 is about 385.5628558160.

The spelling of 57317279 in words is "fifty-seven million, three hundred seventeen thousand, two hundred seventy-nine".