50550550500 has 96 divisors (see below), whose sum is σ = 148661106048. Its totient is φ = 13346640000.

The previous prime is 50550550487. The next prime is 50550550507. The reversal of 50550550500 is 505505505.

50550550500 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 (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (50550550507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15334 + ... + 318333.

It is an arithmetic number, because the mean of its divisors is an integer number (1548553188).

Almost surely, 2^50550550500 is an apocalyptic number.

50550550500 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 50550550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74330553024).

50550550500 is an abundant number, since it is smaller than the sum of its proper divisors (98110555548).

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

50550550500 is a wasteful number, since it uses less digits than its factorization.

50550550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333790 (or 333778 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

50550550500 divided by its reverse (505505505) gives a square (100 = 10²).

The spelling of 50550550500 in words is "fifty billion, five hundred fifty million, five hundred fifty thousand, five hundred".