55871112667 has 16 divisors (see below), whose sum is σ = 58158415872. Its totient is φ = 53614582560.

The previous prime is 55871112641. The next prime is 55871112691. The reversal of 55871112667 is 76621117855.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55871112667 - 2¹¹ = 55871110619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55871112667.

It is not an unprimeable number, because it can be changed into a prime (55871112067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14261793 + ... + 14265709.

It is an arithmetic number, because the mean of its divisors is an integer number (3634900992).

Almost surely, 2^55871112667 is an apocalyptic number.

55871112667 is a deficient number, since it is larger than the sum of its proper divisors (2287303205).

55871112667 is a wasteful number, since it uses less digits than its factorization.

55871112667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698.

The product of its digits is 705600, while the sum is 49.

The spelling of 55871112667 in words is "fifty-five billion, eight hundred seventy-one million, one hundred twelve thousand, six hundred sixty-seven".