55108912898 has 24 divisors (see below), whose sum is σ = 90589717008. Its totient is φ = 25128425712.

The previous prime is 55108912891. The next prime is 55108912921. The reversal of 55108912898 is 89821980155.

55108912898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55108912891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954140 + ... + 1010247.

It is an arithmetic number, because the mean of its divisors is an integer number (3774571542).

Almost surely, 2^55108912898 is an apocalyptic number.

55108912898 is a deficient number, since it is larger than the sum of its proper divisors (35480804110).

55108912898 is a wasteful number, since it uses less digits than its factorization.

55108912898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964498 (or 1964485 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 56.

The spelling of 55108912898 in words is "fifty-five billion, one hundred eight million, nine hundred twelve thousand, eight hundred ninety-eight".