57336681 has 4 divisors (see below), whose sum is σ = 76448912. Its totient is φ = 38224452.

The previous prime is 57336679. The next prime is 57336703. The reversal of 57336681 is 18663375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57336681 - 2¹ = 57336679 is a prime.

It is a super-2 number, since 2×57336681² = 6574989976191522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57336641) 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, 9556111 + ... + 9556116.

It is an arithmetic number, because the mean of its divisors is an integer number (19112228).

Almost surely, 2^57336681 is an apocalyptic number.

It is an amenable number.

57336681 is a deficient number, since it is larger than the sum of its proper divisors (19112231).

57336681 is a wasteful number, since it uses less digits than its factorization.

57336681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19112230.

The product of its digits is 90720, while the sum is 39.

The square root of 57336681 is about 7572.0988503849. The cubic root of 57336681 is about 385.6063554770.

The spelling of 57336681 in words is "fifty-seven million, three hundred thirty-six thousand, six hundred eighty-one".