500500000055 has 32 divisors (see below), whose sum is σ = 677349243648. Its totient is φ = 351869414400.

The previous prime is 500500000051. The next prime is 500500000237. The reversal of 500500000055 is 550000005005.

It is a happy number.

It is not a de Polignac number, because 500500000055 - 2² = 500500000051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500499999982 and 500500000036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500500000051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861461 + ... + 1320270.

It is an arithmetic number, because the mean of its divisors is an integer number (21167163864).

Almost surely, 2^500500000055 is an apocalyptic number.

500500000055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

500500000055 is a deficient number, since it is larger than the sum of its proper divisors (176849243593).

500500000055 is a wasteful number, since it uses less digits than its factorization.

500500000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181887.

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

The spelling of 500500000055 in words is "five hundred billion, five hundred million, fifty-five", and thus it is an aban number.