50055433920 has 336 divisors, whose sum is σ = 179285127840. Its totient is φ = 13292937216.

The previous prime is 50055433907. The next prime is 50055433921. The reversal of 50055433920 is 2933455005.

50055433920 is a `hidden beast` number, since 50 + 0 + 554 + 3 + 39 + 20 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (50055433921) 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 47 ways as a sum of consecutive naturals, for example, 20916244 + ... + 20918636.

It is an arithmetic number, because the mean of its divisors is an integer number (533586690).

Almost surely, 2^50055433920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50055433920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89642563920).

50055433920 is an abundant number, since it is smaller than the sum of its proper divisors (129229693920).

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

50055433920 is a wasteful number, since it uses less digits than its factorization.

50055433920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 50055433920 its reverse (2933455005), we get a palindrome (52988888925).

The spelling of 50055433920 in words is "fifty billion, fifty-five million, four hundred thirty-three thousand, nine hundred twenty".