50006156500 has 96 divisors (see below), whose sum is σ = 109995604992. Its totient is φ = 19859840000.

The previous prime is 50006156461. The next prime is 50006156509. The reversal of 50006156500 is 565160005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50006156509) 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 31 ways as a sum of consecutive naturals, for example, 54891045 + ... + 54891955.

It is an arithmetic number, because the mean of its divisors is an integer number (1145787552).

Almost surely, 2^50006156500 is an apocalyptic number.

50006156500 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 50006156500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54997802496).

50006156500 is an abundant number, since it is smaller than the sum of its proper divisors (59989448492).

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

50006156500 is a wasteful number, since it uses less digits than its factorization.

50006156500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 50006156500 in words is "fifty billion, six million, one hundred fifty-six thousand, five hundred".