55505161107 has 24 divisors (see below), whose sum is σ = 87701053440. Its totient is φ = 33547808880.

The previous prime is 55505161081. The next prime is 55505161181. The reversal of 55505161107 is 70116150555.

It is a happy number.

It is not a de Polignac number, because 55505161107 - 2¹² = 55505157011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505161207) 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, 727507 + ... + 800172.

It is an arithmetic number, because the mean of its divisors is an integer number (3654210560).

Almost surely, 2^55505161107 is an apocalyptic number.

55505161107 is a deficient number, since it is larger than the sum of its proper divisors (32195892333).

55505161107 is a wasteful number, since it uses less digits than its factorization.

55505161107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528063 (or 1528060 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

It can be divided in two parts, 55505 and 161107, that added together give a palindrome (216612).

The spelling of 55505161107 in words is "fifty-five billion, five hundred five million, one hundred sixty-one thousand, one hundred seven".