50505500550 has 24 divisors (see below), whose sum is σ = 125253641736. Its totient is φ = 13468133440.

The previous prime is 50505500543. The next prime is 50505500621. The reversal of 50505500550 is 5500550505.

50505500550 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168351519 + ... + 168351818.

It is an arithmetic number, because the mean of its divisors is an integer number (5218901739).

Almost surely, 2^50505500550 is an apocalyptic number.

50505500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50505500550 is an abundant number, since it is smaller than the sum of its proper divisors (74748141186).

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

50505500550 is a wasteful number, since it uses less digits than its factorization.

50505500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336703352 (or 336703347 counting only the distinct ones).

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

The spelling of 50505500550 in words is "fifty billion, five hundred five million, five hundred thousand, five hundred fifty".