57349857 has 16 divisors (see below), whose sum is σ = 82942272. Its totient is φ = 35105280.

The previous prime is 57349843. The next prime is 57349861. The reversal of 57349857 is 75894375.

It is not a de Polignac number, because 57349857 - 2⁴ = 57349841 is a prime.

It is a super-4 number, since 4×57349857⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (57348857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11623 + ... + 15804.

It is an arithmetic number, because the mean of its divisors is an integer number (5183892).

Almost surely, 2^57349857 is an apocalyptic number.

It is an amenable number.

57349857 is a deficient number, since it is larger than the sum of its proper divisors (25592415).

57349857 is a wasteful number, since it uses less digits than its factorization.

57349857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27488.

The product of its digits is 1058400, while the sum is 48.

The square root of 57349857 is about 7572.9688365924. The cubic root of 57349857 is about 385.6358907303.

The spelling of 57349857 in words is "fifty-seven million, three hundred forty-nine thousand, eight hundred fifty-seven".