55289680717 has 8 divisors (see below), whose sum is σ = 55438137920. Its totient is φ = 55141326720.

The previous prime is 55289680709. The next prime is 55289680739. The reversal of 55289680717 is 71708698255.

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 55289680717 - 2³ = 55289680709 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 (55289680417) 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, 1114042 + ... + 1162612.

It is an arithmetic number, because the mean of its divisors is an integer number (6929767240).

Almost surely, 2^55289680717 is an apocalyptic number.

It is an amenable number.

55289680717 is a deficient number, since it is larger than the sum of its proper divisors (148457203).

55289680717 is a wasteful number, since it uses less digits than its factorization.

55289680717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51603.

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 55289680717 in words is "fifty-five billion, two hundred eighty-nine million, six hundred eighty thousand, seven hundred seventeen".