55152166055 has 16 divisors (see below), whose sum is σ = 75840055104. Its totient is φ = 37717228800.

The previous prime is 55152165989. The next prime is 55152166093. The reversal of 55152166055 is 55066125155.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55152166055 is a prime.

It is a super-2 number, since 2×55152166055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099246 + ... + 2125355.

It is an arithmetic number, because the mean of its divisors is an integer number (4740003444).

Almost surely, 2^55152166055 is an apocalyptic number.

55152166055 is a deficient number, since it is larger than the sum of its proper divisors (20687889049).

55152166055 is a wasteful number, since it uses less digits than its factorization.

55152166055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224986.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 55152166055 in words is "fifty-five billion, one hundred fifty-two million, one hundred sixty-six thousand, fifty-five".