56870681 has 8 divisors (see below), whose sum is σ = 65385600. Its totient is φ = 48453408.

The previous prime is 56870669. The next prime is 56870683. The reversal of 56870681 is 18607865.

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 56870681 - 2⁶ = 56870617 is a prime.

It is a super-2 number, since 2×56870681² = 6468548714807522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56870683) 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, 23156 + ... + 25493.

It is an arithmetic number, because the mean of its divisors is an integer number (8173200).

Almost surely, 2^56870681 is an apocalyptic number.

It is an amenable number.

56870681 is a deficient number, since it is larger than the sum of its proper divisors (8514919).

56870681 is a wasteful number, since it uses less digits than its factorization.

56870681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48823.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 56870681 is about 7541.2652121511. The cubic root of 56870681 is about 384.5588492871.

The spelling of 56870681 in words is "fifty-six million, eight hundred seventy thousand, six hundred eighty-one".