500550055000 has 80 divisors (see below), whose sum is σ = 1175579444160. Its totient is φ = 199743600000.

The previous prime is 500550054971. The next prime is 500550055001. The reversal of 500550055000 is 550055005.

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 (500550055001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1986105 + ... + 2223895.

It is an arithmetic number, because the mean of its divisors is an integer number (14694743052).

Almost surely, 2^500550055000 is an apocalyptic number.

500550055000 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 500550055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587789722080).

500550055000 is an abundant number, since it is smaller than the sum of its proper divisors (675029389160).

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

500550055000 is a wasteful number, since it uses less digits than its factorization.

500550055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238238 (or 238219 counting only the distinct ones).

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

The spelling of 500550055000 in words is "five hundred billion, five hundred fifty million, fifty-five thousand".