57974137 has 4 divisors (see below), whose sum is σ = 62433700. Its totient is φ = 53514576.

The previous prime is 57974129. The next prime is 57974143. The reversal of 57974137 is 73147975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 31595641 = 5136^2 + 5621^2 .

It is a cyclic number.

It is not a de Polignac number, because 57974137 - 2³ = 57974129 is a prime.

It is a super-2 number, since 2×57974137² = 6722001121789538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57974093 and 57974102.

It is not an unprimeable number, because it can be changed into a prime (57974107) 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, 2229762 + ... + 2229787.

It is an arithmetic number, because the mean of its divisors is an integer number (15608425).

Almost surely, 2^57974137 is an apocalyptic number.

It is an amenable number.

57974137 is a deficient number, since it is larger than the sum of its proper divisors (4459563).

57974137 is a wasteful number, since it uses less digits than its factorization.

57974137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459562.

The product of its digits is 185220, while the sum is 43.

The square root of 57974137 is about 7614.0749273960. The cubic root of 57974137 is about 387.0301195991.

The spelling of 57974137 in words is "fifty-seven million, nine hundred seventy-four thousand, one hundred thirty-seven".