500050000055 has 16 divisors (see below), whose sum is σ = 600517035360. Its totient is φ = 399735439488.

The previous prime is 500050000031. The next prime is 500050000057. The reversal of 500050000055 is 550000050005.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500050000055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500049999991 and 500050000036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500050000057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55973369 + ... + 55982301.

It is an arithmetic number, because the mean of its divisors is an integer number (37532314710).

Almost surely, 2^500050000055 is an apocalyptic number.

500050000055 is a deficient number, since it is larger than the sum of its proper divisors (100467035305).

500050000055 is a wasteful number, since it uses less digits than its factorization.

500050000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210.

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

The spelling of 500050000055 in words is "five hundred billion, fifty million, fifty-five", and thus it is an aban number.