57204863 has 4 divisors (see below), whose sum is σ = 57220008. Its totient is φ = 57189720.

The previous prime is 57204857. The next prime is 57204883. The reversal of 57204863 is 36840275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57204863 - 2¹⁴ = 57188479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57204803) 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, 3245 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (14305002).

Almost surely, 2^57204863 is an apocalyptic number.

57204863 is a deficient number, since it is larger than the sum of its proper divisors (15145).

57204863 is an equidigital number, since it uses as much as digits as its factorization.

57204863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 57204863 is about 7563.3896501503. The cubic root of 57204863 is about 385.3106235510.

The spelling of 57204863 in words is "fifty-seven million, two hundred four thousand, eight hundred sixty-three".