55206051165 has 24 divisors (see below), whose sum is σ = 97915852320. Its totient is φ = 28758500064.

The previous prime is 55206051163. The next prime is 55206051167. The reversal of 55206051165 is 56115060255.

55206051165 is a `hidden beast` number, since 5 + 5 + 20 + 60 + 511 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (55206051163) and next prime (55206051167).

It is not a de Polignac number, because 55206051165 - 2¹ = 55206051163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55206051163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14263195 + ... + 14267064.

It is an arithmetic number, because the mean of its divisors is an integer number (4079827180).

Almost surely, 2^55206051165 is an apocalyptic number.

It is an amenable number.

55206051165 is a deficient number, since it is larger than the sum of its proper divisors (42709801155).

55206051165 is a wasteful number, since it uses less digits than its factorization.

55206051165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530313 (or 28530310 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 55206051165 in words is "fifty-five billion, two hundred six million, fifty-one thousand, one hundred sixty-five".