50505055000 has 80 divisors (see below), whose sum is σ = 118558424160. Its totient is φ = 20163600000.

The previous prime is 50505054989. The next prime is 50505055021. The reversal of 50505055000 is 55050505.

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

It is a congruent number.

It is an unprimeable number.

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, 2695665 + ... + 2714335.

It is an arithmetic number, because the mean of its divisors is an integer number (1481980302).

Almost surely, 2^50505055000 is an apocalyptic number.

50505055000 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 50505055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59279212080).

50505055000 is an abundant number, since it is smaller than the sum of its proper divisors (68053369160).

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

50505055000 is a wasteful number, since it uses less digits than its factorization.

50505055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19238 (or 19219 counting only the distinct ones).

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

It can be divided in two parts, 5050505 and 5000, that added together give a palindrome (5055505).

The spelling of 50505055000 in words is "fifty billion, five hundred five million, fifty-five thousand".