56650101681 has 32 divisors (see below), whose sum is σ = 80117268480. Its totient is φ = 35506166400.

The previous prime is 56650101667. The next prime is 56650101709. The reversal of 56650101681 is 18610105665.

It is not a de Polignac number, because 56650101681 - 2¹⁰ = 56650100657 is a prime.

It is a super-2 number, since 2×56650101681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56650101601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4686261 + ... + 4698333.

It is an arithmetic number, because the mean of its divisors is an integer number (2503664640).

Almost surely, 2^56650101681 is an apocalyptic number.

It is an amenable number.

56650101681 is a deficient number, since it is larger than the sum of its proper divisors (23467166799).

56650101681 is a wasteful number, since it uses less digits than its factorization.

56650101681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 56650101681 in words is "fifty-six billion, six hundred fifty million, one hundred one thousand, six hundred eighty-one".