56896117889 has 16 divisors (see below), whose sum is σ = 61482305472. Its totient is φ = 52340188608.

The previous prime is 56896117867. The next prime is 56896117891. The reversal of 56896117889 is 98871169865.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56896117889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56896117829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671722 + ... + 4683884.

It is an arithmetic number, because the mean of its divisors is an integer number (3842644092).

Almost surely, 2^56896117889 is an apocalyptic number.

It is an amenable number.

56896117889 is a deficient number, since it is larger than the sum of its proper divisors (4586187583).

56896117889 is a wasteful number, since it uses less digits than its factorization.

56896117889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13376.

The product of its digits is 52254720, while the sum is 68.

The spelling of 56896117889 in words is "fifty-six billion, eight hundred ninety-six million, one hundred seventeen thousand, eight hundred eighty-nine".