50055005500 has 48 divisors (see below), whose sum is σ = 109580260608. Its totient is φ = 19974360000.

The previous prime is 50055005491. The next prime is 50055005503. The reversal of 50055005500 is 550055005.

50055005500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

50055005500 is a modest number, since divided by 55005500 gives 500 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055005503) 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, 91605 + ... + 329395.

It is an arithmetic number, because the mean of its divisors is an integer number (2282922096).

Almost surely, 2^50055005500 is an apocalyptic number.

50055005500 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 50055005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54790130304).

50055005500 is an abundant number, since it is smaller than the sum of its proper divisors (59525255108).

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

50055005500 is a wasteful number, since it uses less digits than its factorization.

50055005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238231 (or 238219 counting only the distinct ones).

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

The spelling of 50055005500 in words is "fifty billion, fifty-five million, five thousand, five hundred".