55351533117 has 16 divisors (see below), whose sum is σ = 73923704960. Its totient is φ = 36840241152.

The previous prime is 55351533109. The next prime is 55351533143. The reversal of 55351533117 is 71133515355.

It is not a de Polignac number, because 55351533117 - 2³ = 55351533109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351533157) 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, 5934984 + ... + 5944302.

It is an arithmetic number, because the mean of its divisors is an integer number (4620231560).

Almost surely, 2^55351533117 is an apocalyptic number.

It is an amenable number.

55351533117 is a deficient number, since it is larger than the sum of its proper divisors (18572171843).

55351533117 is a wasteful number, since it uses less digits than its factorization.

55351533117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372.

The product of its digits is 118125, while the sum is 39.

The spelling of 55351533117 in words is "fifty-five billion, three hundred fifty-one million, five hundred thirty-three thousand, one hundred seventeen".