55081814679 has 12 divisors (see below), whose sum is σ = 80750123896. Its totient is φ = 36173131632.

The previous prime is 55081814677. The next prime is 55081814687. The reversal of 55081814679 is 97641818055.

It is a happy number.

55081814679 is a `hidden beast` number, since 550 + 8 + 1 + 8 + 14 + 6 + 79 = 666.

55081814679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55081814679 - 2¹ = 55081814677 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 (55081814677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45672544 + ... + 45673749.

Almost surely, 2^55081814679 is an apocalyptic number.

55081814679 is a deficient number, since it is larger than the sum of its proper divisors (25668309217).

55081814679 is a wasteful number, since it uses less digits than its factorization.

55081814679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91346366 (or 91346363 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

It can be divided in two parts, 5508181 and 4679, that added together give a triangular number (5512860 = T₃₃₂₀).

The spelling of 55081814679 in words is "fifty-five billion, eighty-one million, eight hundred fourteen thousand, six hundred seventy-nine".