57152253 has 4 divisors (see below), whose sum is σ = 76203008. Its totient is φ = 38101500.

The previous prime is 57152233. The next prime is 57152281. The reversal of 57152253 is 35225175.

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 de Polignac number, because none of the positive numbers 2^k-57152253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57152253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57152233) 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, 9525373 + ... + 9525378.

It is an arithmetic number, because the mean of its divisors is an integer number (19050752).

Almost surely, 2^57152253 is an apocalyptic number.

It is an amenable number.

57152253 is a deficient number, since it is larger than the sum of its proper divisors (19050755).

57152253 is a wasteful number, since it uses less digits than its factorization.

57152253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050754.

The product of its digits is 10500, while the sum is 30.

The square root of 57152253 is about 7559.9109121735. The cubic root of 57152253 is about 385.1924668750.

The spelling of 57152253 in words is "fifty-seven million, one hundred fifty-two thousand, two hundred fifty-three".