57513253 has 4 divisors (see below), whose sum is σ = 65729440. Its totient is φ = 49297068.

The previous prime is 57513251. The next prime is 57513257. The reversal of 57513253 is 35231575.

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 a cyclic number.

It is not a de Polignac number, because 57513253 - 2¹ = 57513251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57513251) 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, 4108083 + ... + 4108096.

It is an arithmetic number, because the mean of its divisors is an integer number (16432360).

Almost surely, 2^57513253 is an apocalyptic number.

It is an amenable number.

57513253 is a deficient number, since it is larger than the sum of its proper divisors (8216187).

57513253 is an equidigital number, since it uses as much as digits as its factorization.

57513253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216186.

The product of its digits is 15750, while the sum is 31.

The square root of 57513253 is about 7583.7492706444. The cubic root of 57513253 is about 386.0017830374.

The spelling of 57513253 in words is "fifty-seven million, five hundred thirteen thousand, two hundred fifty-three".