55555155165 has 16 divisors (see below), whose sum is σ = 93566577600. Its totient is φ = 28069972992.

The previous prime is 55555155163. The next prime is 55555155181. The reversal of 55555155165 is 56155155555.

It is not a de Polignac number, because 55555155165 - 2¹ = 55555155163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555155163) 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, 97464900 + ... + 97465469.

It is an arithmetic number, because the mean of its divisors is an integer number (5847911100).

Almost surely, 2^55555155165 is an apocalyptic number.

It is an amenable number.

55555155165 is a deficient number, since it is larger than the sum of its proper divisors (38011422435).

55555155165 is a wasteful number, since it uses less digits than its factorization.

55555155165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194930396.

The product of its digits is 2343750, while the sum is 48.

The spelling of 55555155165 in words is "fifty-five billion, five hundred fifty-five million, one hundred fifty-five thousand, one hundred sixty-five".