57018825 has 18 divisors (see below), whose sum is σ = 102127454. Its totient is φ = 30409920.

The previous prime is 57018811. The next prime is 57018847. The reversal of 57018825 is 52881075.

57018825 is a `hidden beast` number, since 570 + 1 + 8 + 82 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 227529 + 56791296 = 477^2 + 7536^2 .

It is not a de Polignac number, because 57018825 - 2²⁰ = 55970249 is a prime.

It is a super-2 number, since 2×57018825² = 6502292808761250, which contains 22 as substring.

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 57018825.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126484 + ... + 126933.

Almost surely, 2^57018825 is an apocalyptic number.

It is an amenable number.

57018825 is a deficient number, since it is larger than the sum of its proper divisors (45108629).

57018825 is a wasteful number, since it uses less digits than its factorization.

57018825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253433 (or 253425 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 57018825 is about 7551.0810484327. The cubic root of 57018825 is about 384.8924757356.

The spelling of 57018825 in words is "fifty-seven million, eighteen thousand, eight hundred twenty-five".