55717443404886 has 32 divisors (see below), whose sum is σ = 113637807779328. Its totient is φ = 18208374557760.

The previous prime is 55717443404851. The next prime is 55717443404911. The reversal of 55717443404886 is 68840434471755.

It is a happy number.

It is a Curzon 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, 380791450 + ... + 380937741.

It is an arithmetic number, because the mean of its divisors is an integer number (3551181493104).

Almost surely, 2^{55717443404886} is an apocalyptic number.

55717443404886 is an abundant number, since it is smaller than the sum of its proper divisors (57920364374442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55717443404886 is a wasteful number, since it uses less digits than its factorization.

55717443404886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761729436.

The product of its (nonzero) digits is 361267200, while the sum is 66.

The spelling of 55717443404886 in words is "fifty-five trillion, seven hundred seventeen billion, four hundred forty-three million, four hundred four thousand, eight hundred eighty-six".