555500500 has 48 divisors (see below), whose sum is σ = 1284598224. Its totient is φ = 209126400.

The previous prime is 555500489. The next prime is 555500507. The reversal of 555500500 is 5005555.

It can be written as a sum of positive squares in 8 ways, for example, as 29899024 + 525601476 = 5468^2 + 22926^2 .

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 (555500507) 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, 24177 + ... + 41176.

It is an arithmetic number, because the mean of its divisors is an integer number (26762463).

Almost surely, 2^555500500 is an apocalyptic number.

555500500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555500500 is an abundant number, since it is smaller than the sum of its proper divisors (729097724).

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

555500500 is a wasteful number, since it uses less digits than its factorization.

555500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65389 (or 65377 counting only the distinct ones).

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

The square root of 555500500 is about 23569.0581059151. The cubic root of 555500500 is about 822.0435348112.

The spelling of 555500500 in words is "five hundred fifty-five million, five hundred thousand, five hundred".