55188706717 has 8 divisors (see below), whose sum is σ = 56104357752. Its totient is φ = 54273408000.

The previous prime is 55188706711. The next prime is 55188706751. The reversal of 55188706717 is 71760788155.

55188706717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8769573316 + 46419133401 = 93646^2 + 215451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55188706717 - 2⁷ = 55188706589 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 (55188706711) 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, 237717 + ... + 408517.

It is an arithmetic number, because the mean of its divisors is an integer number (7013044719).

Almost surely, 2^55188706717 is an apocalyptic number.

It is an amenable number.

55188706717 is a deficient number, since it is larger than the sum of its proper divisors (915651035).

55188706717 is a wasteful number, since it uses less digits than its factorization.

55188706717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176159.

The product of its (nonzero) digits is 3292800, while the sum is 55.

The spelling of 55188706717 in words is "fifty-five billion, one hundred eighty-eight million, seven hundred six thousand, seven hundred seventeen".