57327681 has 8 divisors (see below), whose sum is σ = 76472320. Its totient is φ = 38200752.

The previous prime is 57327671. The next prime is 57327691. The reversal of 57327681 is 18672375.

It is an interprime number because it is at equal distance from previous prime (57327671) and next prime (57327691).

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

It is not a de Polignac number, because 57327681 - 2¹³ = 57319489 is a prime.

It is a super-2 number, since 2×57327681² = 6572926017675522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57327671) 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, 8640 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (9559040).

Almost surely, 2^57327681 is an apocalyptic number.

It is an amenable number.

57327681 is a deficient number, since it is larger than the sum of its proper divisors (19144639).

57327681 is a wasteful number, since it uses less digits than its factorization.

57327681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855.

The product of its digits is 70560, while the sum is 39.

The square root of 57327681 is about 7571.5045400501. The cubic root of 57327681 is about 385.5861785225.

The spelling of 57327681 in words is "fifty-seven million, three hundred twenty-seven thousand, six hundred eighty-one".