55000000055 has 96 divisors (see below), whose sum is σ = 93987801600. Its totient is φ = 29982078720.

The previous prime is 55000000039. The next prime is 55000000087.

It is a happy number.

55000000055 is nontrivially palindromic in base 10.

55000000055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55000000055 - 2⁴ = 55000000039 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 54999999973 and 55000000036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1019756 + ... + 1072334.

It is an arithmetic number, because the mean of its divisors is an integer number (979039600).

Almost surely, 2^55000000055 is an apocalyptic number.

55000000055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55000000055 is a deficient number, since it is larger than the sum of its proper divisors (38987801545).

55000000055 is a wasteful number, since it uses less digits than its factorization.

55000000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52645 (or 52634 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

It can be divided in two parts, 550000000 and 55, that added together give a palindrome (550000055).

The spelling of 55000000055 in words is "fifty-five billion, fifty-five", and thus it is an aban number and an uban number.