50511132500 has 120 divisors (see below), whose sum is σ = 114729849696. Its totient is φ = 19437264000.

The previous prime is 50511132467. The next prime is 50511132599. The reversal of 50511132500 is 523111505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7198994 + ... + 7206006.

Almost surely, 2^50511132500 is an apocalyptic number.

50511132500 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 50511132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57364924848).

50511132500 is an abundant number, since it is smaller than the sum of its proper divisors (64218717196).

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

50511132500 is a wasteful number, since it uses less digits than its factorization.

50511132500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147 (or 7130 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 50511132500 in words is "fifty billion, five hundred eleven million, one hundred thirty-two thousand, five hundred".