50011555650 has 96 divisors (see below), whose sum is σ = 142459929600. Its totient is φ = 11373721920.

The previous prime is 50011555613. The next prime is 50011555651. The reversal of 50011555650 is 5655511005.

It is not an unprimeable number, because it can be changed into a prime (50011555651) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 89277 + ... + 328623.

It is an arithmetic number, because the mean of its divisors is an integer number (1483957600).

Almost surely, 2^50011555650 is an apocalyptic number.

50011555650 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 50011555650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71229964800).

50011555650 is an abundant number, since it is smaller than the sum of its proper divisors (92448373950).

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

50011555650 is a wasteful number, since it uses less digits than its factorization.

50011555650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239568 (or 239563 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

It can be divided in two parts, 5001 and 1555650, that added together give a palindrome (1560651).

The spelling of 50011555650 in words is "fifty billion, eleven million, five hundred fifty-five thousand, six hundred fifty".