50005000650 has 96 divisors (see below), whose sum is σ = 135377049600. Its totient is φ = 12114289600.

The previous prime is 50005000637. The next prime is 50005000651. The reversal of 50005000650 is 5600050005.

It is not an unprimeable number, because it can be changed into a prime (50005000651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2661991 + ... + 2680709.

It is an arithmetic number, because the mean of its divisors is an integer number (1410177600).

Almost surely, 2^50005000650 is an apocalyptic number.

50005000650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50005000650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67688524800).

50005000650 is an abundant number, since it is smaller than the sum of its proper divisors (85372048950).

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

50005000650 is a wasteful number, since it uses less digits than its factorization.

50005000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364 (or 20359 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

Adding to 50005000650 its reverse (5600050005), we get a palindrome (55605050655).

The spelling of 50005000650 in words is "fifty billion, five million, six hundred fifty", and thus it is an aban number.