57093681 has 8 divisors (see below), whose sum is σ = 76188384. Its totient is φ = 38030720.

The previous prime is 57093679. The next prime is 57093709. The reversal of 57093681 is 18639075.

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 57093681 - 2¹ = 57093679 is a prime.

It is a super-2 number, since 2×57093681² = 6519376820259522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57093601) 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, 3360 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (9523548).

Almost surely, 2^57093681 is an apocalyptic number.

It is an amenable number.

57093681 is a deficient number, since it is larger than the sum of its proper divisors (19094703).

57093681 is a wasteful number, since it uses less digits than its factorization.

57093681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 57093681 is about 7556.0360639690. The cubic root of 57093681 is about 385.0608348238.

The spelling of 57093681 in words is "fifty-seven million, ninety-three thousand, six hundred eighty-one".