500005055500 has 48 divisors (see below), whose sum is σ = 1101674980224. Its totient is φ = 198232070400.

The previous prime is 500005055489. The next prime is 500005055519. The reversal of 500005055500 is 5550500005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368324 + ... + 4481323.

It is an arithmetic number, because the mean of its divisors is an integer number (22951562088).

Almost surely, 2^500005055500 is an apocalyptic number.

500005055500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500005055500 is an abundant number, since it is smaller than the sum of its proper divisors (601669924724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500005055500 is a wasteful number, since it uses less digits than its factorization.

500005055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849779 (or 8849767 counting only the distinct ones).

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

Adding to 500005055500 its reverse (5550500005), we get a palindrome (505555555505).

The spelling of 500005055500 in words is "five hundred billion, five million, fifty-five thousand, five hundred".