50009633856 has 336 divisors, whose sum is σ = 186804019584. Its totient is φ = 12413288448.

The previous prime is 50009633851. The next prime is 50009633879. The reversal of 50009633856 is 65833690005.

50009633856 is a `hidden beast` number, since 5 + 0 + 0 + 0 + 9 + 633 + 8 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×50009633856² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50009633851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 863011 + ... + 919133.

It is an arithmetic number, because the mean of its divisors is an integer number (555964344).

Almost surely, 2^50009633856 is an apocalyptic number.

50009633856 is a gapful number since it is divisible by the number (56) 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 50009633856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93402009792).

50009633856 is an abundant number, since it is smaller than the sum of its proper divisors (136794385728).

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

50009633856 is a wasteful number, since it uses less digits than its factorization.

50009633856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56178 (or 56165 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

It can be divided in two parts, 50009 and 633856, that added together give a triangular number (683865 = T₁₁₆₉).

The spelling of 50009633856 in words is "fifty billion, nine million, six hundred thirty-three thousand, eight hundred fifty-six".