50505550000 has 120 divisors (see below), whose sum is σ = 123080528592. Its totient is φ = 20075040000.

The previous prime is 50505549967. The next prime is 50505550013. The reversal of 50505550000 is 5550505.

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 23 ways as a sum of consecutive naturals, for example, 8146902 + ... + 8153098.

Almost surely, 2^50505550000 is an apocalyptic number.

50505550000 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 50505550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61540264296).

50505550000 is an abundant number, since it is smaller than the sum of its proper divisors (72574978592).

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

50505550000 is an equidigital number, since it uses as much as digits as its factorization.

50505550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393 (or 6367 counting only the distinct ones).

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

The spelling of 50505550000 in words is "fifty billion, five hundred five million, five hundred fifty thousand".