57252499 has 4 divisors (see below), whose sum is σ = 57540400. Its totient is φ = 56964600.

The previous prime is 57252473. The next prime is 57252509. The reversal of 57252499 is 99425275.

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

It is a cyclic number.

It is not a de Polignac number, because 57252499 - 2¹¹ = 57250451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57252449) 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, 143652 + ... + 144049.

It is an arithmetic number, because the mean of its divisors is an integer number (14385100).

Almost surely, 2^57252499 is an apocalyptic number.

57252499 is a deficient number, since it is larger than the sum of its proper divisors (287901).

57252499 is a wasteful number, since it uses less digits than its factorization.

57252499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287900.

The product of its digits is 226800, while the sum is 43.

The square root of 57252499 is about 7566.5381119770. The cubic root of 57252499 is about 385.4175466543.

The spelling of 57252499 in words is "fifty-seven million, two hundred fifty-two thousand, four hundred ninety-nine".