57568997 has 4 divisors (see below), whose sum is σ = 57820620. Its totient is φ = 57317376.

The previous prime is 57568991. The next prime is 57568999. The reversal of 57568997 is 79986575.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40271716 + 17297281 = 6346^2 + 4159^2 .

It is a cyclic number.

It is not a de Polignac number, because 57568997 - 2¹⁶ = 57503461 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 (57568991) 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 3 ways as a sum of consecutive naturals, for example, 125468 + ... + 125925.

It is an arithmetic number, because the mean of its divisors is an integer number (14455155).

Almost surely, 2^57568997 is an apocalyptic number.

It is an amenable number.

57568997 is a deficient number, since it is larger than the sum of its proper divisors (251623).

57568997 is a wasteful number, since it uses less digits than its factorization.

57568997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251622.

The product of its digits is 4762800, while the sum is 56.

The square root of 57568997 is about 7587.4236075232. The cubic root of 57568997 is about 386.1264518991.

The spelling of 57568997 in words is "fifty-seven million, five hundred sixty-eight thousand, nine hundred ninety-seven".