50812531650 has 288 divisors, whose sum is σ = 148559598720. Its totient is φ = 12403722240.

The previous prime is 50812531577. The next prime is 50812531711. The reversal of 50812531650 is 5613521805.

It is a happy number.

50812531650 is a `hidden beast` number, since 50 + 8 + 12 + 531 + 65 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 46488504 + ... + 46489596.

It is an arithmetic number, because the mean of its divisors is an integer number (515831940).

Almost surely, 2^50812531650 is an apocalyptic number.

50812531650 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 50812531650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74279799360).

50812531650 is an abundant number, since it is smaller than the sum of its proper divisors (97747067070).

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

50812531650 is a wasteful number, since it uses less digits than its factorization.

50812531650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 50812531650 in words is "fifty billion, eight hundred twelve million, five hundred thirty-one thousand, six hundred fifty".