55505560050159 has 16 divisors (see below), whose sum is σ = 78520384972800. Its totient is φ = 34756087264640.

The previous prime is 55505560050151. The next prime is 55505560050163. The reversal of 55505560050159 is 95105006550555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55505560050159 - 2³ = 55505560050151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505560050151) 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, 1108268559 + ... + 1108318640.

It is an arithmetic number, because the mean of its divisors is an integer number (4907524060800).

Almost surely, 2^{55505560050159} is an apocalyptic number.

55505560050159 is a deficient number, since it is larger than the sum of its proper divisors (23014824922641).

55505560050159 is a wasteful number, since it uses less digits than its factorization.

55505560050159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216587710.

The product of its (nonzero) digits is 4218750, while the sum is 51.

The spelling of 55505560050159 in words is "fifty-five trillion, five hundred five billion, five hundred sixty million, fifty thousand, one hundred fifty-nine".