55550500055 has 4 divisors (see below), whose sum is σ = 66660600072. Its totient is φ = 44440400040.

The previous prime is 55550500043. The next prime is 55550500063. The reversal of 55550500055 is 55000505555.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-55550500055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55550499988 and 55550500024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555050001 + ... + 5555050010.

It is an arithmetic number, because the mean of its divisors is an integer number (16665150018).

Almost surely, 2^55550500055 is an apocalyptic number.

55550500055 is a deficient number, since it is larger than the sum of its proper divisors (11110100017).

55550500055 is a wasteful number, since it uses less digits than its factorization.

55550500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110100016.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55550500055 in words is "fifty-five billion, five hundred fifty million, five hundred thousand, fifty-five".