50511005500 has 48 divisors (see below), whose sum is σ = 110480688864. Its totient is φ = 20174246400.

The previous prime is 50511005497. The next prime is 50511005551. The reversal of 50511005500 is 550011505.

50511005500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261447 + ... + 411553.

It is an arithmetic number, because the mean of its divisors is an integer number (2301681018).

Almost surely, 2^50511005500 is an apocalyptic number.

50511005500 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 50511005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55240344432).

50511005500 is an abundant number, since it is smaller than the sum of its proper divisors (59969683364).

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

50511005500 is a wasteful number, since it uses less digits than its factorization.

50511005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150799 (or 150787 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

It can be divided in two parts, 50511005 and 500, that added together give a palindrome (50511505).

The spelling of 50511005500 in words is "fifty billion, five hundred eleven million, five thousand, five hundred".