56700681 has 16 divisors (see below), whose sum is σ = 79062144. Its totient is φ = 36077184.

The previous prime is 56700673. The next prime is 56700697. The reversal of 56700681 is 18600765.

It is not a de Polignac number, because 56700681 - 2³ = 56700673 is a prime.

It is a super-2 number, since 2×56700681² = 6429934451727522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56700181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60045 + ... + 60981.

It is an arithmetic number, because the mean of its divisors is an integer number (4941384).

Almost surely, 2^56700681 is an apocalyptic number.

It is an amenable number.

56700681 is a deficient number, since it is larger than the sum of its proper divisors (22361463).

56700681 is a wasteful number, since it uses less digits than its factorization.

56700681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 56700681 is about 7529.9854581533. The cubic root of 56700681 is about 384.1752875402.

The spelling of 56700681 in words is "fifty-six million, seven hundred thousand, six hundred eighty-one".