57513297 has 8 divisors (see below), whose sum is σ = 77144256. Its totient is φ = 38112272.

The previous prime is 57513257. The next prime is 57513299. The reversal of 57513297 is 79231575.

57513297 = 1779² + 1780² + ... + 1796².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57513297 - 2¹¹ = 57511249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57513299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56898 + ... + 57899.

It is an arithmetic number, because the mean of its divisors is an integer number (9643032).

Almost surely, 2^57513297 is an apocalyptic number.

It is an amenable number.

57513297 is a deficient number, since it is larger than the sum of its proper divisors (19630959).

57513297 is a wasteful number, since it uses less digits than its factorization.

57513297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114967.

The product of its digits is 66150, while the sum is 39.

The square root of 57513297 is about 7583.7521715837. The cubic root of 57513297 is about 386.0018814731.

The spelling of 57513297 in words is "fifty-seven million, five hundred thirteen thousand, two hundred ninety-seven".