50503386120 has 128 divisors (see below), whose sum is σ = 165378723840. Its totient is φ = 12236215040.

The previous prime is 50503386119. The next prime is 50503386127. The reversal of 50503386120 is 2168330505.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (50503386127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2507209 + ... + 2527271.

It is an arithmetic number, because the mean of its divisors is an integer number (1292021280).

Almost surely, 2^50503386120 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 50503386120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82689361920).

50503386120 is an abundant number, since it is smaller than the sum of its proper divisors (114875337720).

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

50503386120 is a wasteful number, since it uses less digits than its factorization.

50503386120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21995 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 50503386120 in words is "fifty billion, five hundred three million, three hundred eighty-six thousand, one hundred twenty".