55880788615 has 16 divisors (see below), whose sum is σ = 70931003328. Its totient is φ = 42175178496.

The previous prime is 55880788549. The next prime is 55880788633. The reversal of 55880788615 is 51688708855.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55880788615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3319824 + ... + 3336613.

It is an arithmetic number, because the mean of its divisors is an integer number (4433187708).

Almost surely, 2^55880788615 is an apocalyptic number.

55880788615 is a deficient number, since it is larger than the sum of its proper divisors (15050214713).

55880788615 is a wasteful number, since it uses less digits than its factorization.

55880788615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656538.

The product of its (nonzero) digits is 21504000, while the sum is 61.

The spelling of 55880788615 in words is "fifty-five billion, eight hundred eighty million, seven hundred eighty-eight thousand, six hundred fifteen".