55388291946871 has 16 divisors (see below), whose sum is σ = 61390771182720. Its totient is φ = 49655528413920.

The previous prime is 55388291946857. The next prime is 55388291946881. The reversal of 55388291946871 is 17864919288355.

It is not a de Polignac number, because 55388291946871 - 2⁹ = 55388291946359 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 (55388291946881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434961645 + ... + 435088966.

It is an arithmetic number, because the mean of its divisors is an integer number (3836923198920).

Almost surely, 2^{55388291946871} is an apocalyptic number.

55388291946871 is a deficient number, since it is larger than the sum of its proper divisors (6002479235849).

55388291946871 is a wasteful number, since it uses less digits than its factorization.

55388291946871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870050766.

The product of its digits is 1045094400, while the sum is 76.

The spelling of 55388291946871 in words is "fifty-five trillion, three hundred eighty-eight billion, two hundred ninety-one million, nine hundred forty-six thousand, eight hundred seventy-one".