57974257 has 4 divisors (see below), whose sum is σ = 63244656. Its totient is φ = 52703860.

The previous prime is 57974243. The next prime is 57974297. The reversal of 57974257 is 75247975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57974257 - 2⁷ = 57974129 is a prime.

It is a super-2 number, since 2×57974257² = 6722028949404098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57974297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635183 + ... + 2635204.

It is an arithmetic number, because the mean of its divisors is an integer number (15811164).

Almost surely, 2^57974257 is an apocalyptic number.

It is an amenable number.

57974257 is a deficient number, since it is larger than the sum of its proper divisors (5270399).

57974257 is a wasteful number, since it uses less digits than its factorization.

57974257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270398.

The product of its digits is 617400, while the sum is 46.

The square root of 57974257 is about 7614.0828075350. The cubic root of 57974257 is about 387.0303866353.

The spelling of 57974257 in words is "fifty-seven million, nine hundred seventy-four thousand, two hundred fifty-seven".