55016660124 has 18 divisors (see below), whose sum is σ = 139069890960. Its totient is φ = 18338886696.

The previous prime is 55016660117. The next prime is 55016660173. The reversal of 55016660124 is 42106661055.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1528240559 = 55016660124 / (5 + 5 + 0 + 1 + 6 + 6 + 6 + 0 + 1 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764120244 + ... + 764120315.

Almost surely, 2^55016660124 is an apocalyptic number.

It is an amenable number.

55016660124 is an abundant number, since it is smaller than the sum of its proper divisors (84053230836).

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

55016660124 is a wasteful number, since it uses less digits than its factorization.

55016660124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528240569 (or 1528240564 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 55016660124 in words is "fifty-five billion, sixteen million, six hundred sixty thousand, one hundred twenty-four".