500000055055 has 4 divisors (see below), whose sum is σ = 600000066072. Its totient is φ = 400000044040.

The previous prime is 500000055043. The next prime is 500000055091. The reversal of 500000055055 is 550550000005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550550000005 = 5 ⋅110110000001.

It is a de Polignac number, because none of the positive numbers 2^k-500000055055 is a prime.

It is a Duffinian number.

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, 50000005501 + ... + 50000005510.

It is an arithmetic number, because the mean of its divisors is an integer number (150000016518).

Almost surely, 2^500000055055 is an apocalyptic number.

500000055055 is a deficient number, since it is larger than the sum of its proper divisors (100000011017).

500000055055 is a wasteful number, since it uses less digits than its factorization.

500000055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100000011016.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 500000055055 in words is "five hundred billion, fifty-five thousand, fifty-five".