57504243 has 16 divisors (see below), whose sum is σ = 77759136. Its totient is φ = 37797120.

The previous prime is 57504229. The next prime is 57504247. The reversal of 57504243 is 34240575.

It is not a de Polignac number, because 57504243 - 2⁸ = 57503987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57504243.

It is not an unprimeable number, because it can be changed into a prime (57504247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74005 + ... + 74777.

It is an arithmetic number, because the mean of its divisors is an integer number (4859946).

Almost surely, 2^57504243 is an apocalyptic number.

57504243 is a deficient number, since it is larger than the sum of its proper divisors (20254893).

57504243 is a wasteful number, since it uses less digits than its factorization.

57504243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 57504243 is about 7583.1552140254. The cubic root of 57504243 is about 385.9816250302.

The spelling of 57504243 in words is "fifty-seven million, five hundred four thousand, two hundred forty-three".