57284263 has 8 divisors (see below), whose sum is σ = 58567040. Its totient is φ = 56014200.

The previous prime is 57284261. The next prime is 57284273. The reversal of 57284263 is 36248275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57284263 - 2¹ = 57284261 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 (57284261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6238 + ... + 12388.

It is an arithmetic number, because the mean of its divisors is an integer number (7320880).

Almost surely, 2^57284263 is an apocalyptic number.

57284263 is a deficient number, since it is larger than the sum of its proper divisors (1282777).

57284263 is a wasteful number, since it uses less digits than its factorization.

57284263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357.

The product of its digits is 80640, while the sum is 37.

The square root of 57284263 is about 7568.6367993186. The cubic root of 57284263 is about 385.4888107319.

The spelling of 57284263 in words is "fifty-seven million, two hundred eighty-four thousand, two hundred sixty-three".