50309234136 has 320 divisors, whose sum is σ = 165528000000. Its totient is φ = 14269348800.

The previous prime is 50309234117. The next prime is 50309234153. The reversal of 50309234136 is 63143290305.

It is a happy number.

50309234136 is a `hidden beast` number, since 5 + 0 + 309 + 2 + 341 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50309234136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33561115 + ... + 33562613.

It is an arithmetic number, because the mean of its divisors is an integer number (517275000).

Almost surely, 2^50309234136 is an apocalyptic number.

50309234136 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 50309234136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82764000000).

50309234136 is an abundant number, since it is smaller than the sum of its proper divisors (115218765864).

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

50309234136 is a wasteful number, since it uses less digits than its factorization.

50309234136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 50309234136 in words is "fifty billion, three hundred nine million, two hundred thirty-four thousand, one hundred thirty-six".