55505161104 has 80 divisors (see below), whose sum is σ = 145466880000. Its totient is φ = 18234373248.

The previous prime is 55505161081. The next prime is 55505161181. The reversal of 55505161104 is 40116150555.

55505161104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121897 + ... + 2147895.

It is an arithmetic number, because the mean of its divisors is an integer number (1818336000).

Almost surely, 2^55505161104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55505161104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72733440000).

55505161104 is an abundant number, since it is smaller than the sum of its proper divisors (89961718896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55505161104 is a wasteful number, since it uses less digits than its factorization.

55505161104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26652 (or 26646 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 55505161104 in words is "fifty-five billion, five hundred five million, one hundred sixty-one thousand, one hundred four".