57494279 has 2 divisors, whose sum is σ = 57494280. Its totient is φ = 57494278.

The previous prime is 57494237. The next prime is 57494293. The reversal of 57494279 is 97249475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57494279 - 2⁸ = 57494023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57494219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28747139 + 28747140.

It is an arithmetic number, because the mean of its divisors is an integer number (28747140).

Almost surely, 2^57494279 is an apocalyptic number.

57494279 is a deficient number, since it is larger than the sum of its proper divisors (1).

57494279 is an equidigital number, since it uses as much as digits as its factorization.

57494279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 57494279 is about 7582.4982030990. The cubic root of 57494279 is about 385.9593301939.

The spelling of 57494279 in words is "fifty-seven million, four hundred ninety-four thousand, two hundred seventy-nine".