50012500000 has 108 divisors (see below), whose sum is σ = 123108335406. Its totient is φ = 20000000000.

The previous prime is 50012499997. The next prime is 50012500001. The reversal of 50012500000 is 521005.

It can be written as a sum of positive squares in 9 ways, for example, as 39883285264 + 10129214736 = 199708^2 + 100644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50012500001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12498000 + ... + 12502000.

Almost surely, 2^50012500000 is an apocalyptic number.

50012500000 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 50012500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61554167703).

50012500000 is an abundant number, since it is smaller than the sum of its proper divisors (73095835406).

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

50012500000 is an frugal number, since it uses more digits than its factorization.

50012500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The spelling of 50012500000 in words is "fifty billion, twelve million, five hundred thousand".