500555500 has 48 divisors (see below), whose sum is σ = 1099451808. Its totient is φ = 199080000.

The previous prime is 500555483. The next prime is 500555501. The reversal of 500555500 is 5555005.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500555501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87735 + ... + 93265.

It is an arithmetic number, because the mean of its divisors is an integer number (22905246).

Almost surely, 2^500555500 is an apocalyptic number.

500555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549725904).

500555500 is an abundant number, since it is smaller than the sum of its proper divisors (598896308).

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

500555500 is a wasteful number, since it uses less digits than its factorization.

500555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5719 counting only the distinct ones).

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

The square root of 500555500 is about 22373.0976844960. The cubic root of 500555500 is about 793.9943509592.

It can be divided in two parts, 50055 and 5500, that added together give a palindrome (55555).

The spelling of 500555500 in words is "five hundred million, five hundred fifty-five thousand, five hundred".