56989677698965 has 16 divisors (see below), whose sum is σ = 74618305767936. Its totient is φ = 41439462337600.

The previous prime is 56989677698951. The next prime is 56989677698969.

56989677698965 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56989677698965 - 2²¹ = 56989675601813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56989677698969) 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, 94396222 + ... + 94998031.

It is an arithmetic number, because the mean of its divisors is an integer number (4663644110496).

Almost surely, 2^{56989677698965} is an apocalyptic number.

56989677698965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56989677698965 is a deficient number, since it is larger than the sum of its proper divisors (17628628068971).

56989677698965 is a wasteful number, since it uses less digits than its factorization.

56989677698965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189399740.

The product of its digits is 666639590400, while the sum is 100.

The spelling of 56989677698965 in words is "fifty-six trillion, nine hundred eighty-nine billion, six hundred seventy-seven million, six hundred ninety-eight thousand, nine hundred sixty-five".