50381312 has 40 divisors (see below), whose sum is σ = 105982800. Its totient is φ = 23860224.

The previous prime is 50381311. The next prime is 50381327. The reversal of 50381312 is 21318305.

It is not an unprimeable number, because it can be changed into a prime (50381311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139 + ... + 12317.

It is an arithmetic number, because the mean of its divisors is an integer number (2649570).

Almost surely, 2^50381312 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 50381312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52991400).

50381312 is an abundant number, since it is smaller than the sum of its proper divisors (55601488).

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

50381312 is an equidigital number, since it uses as much as digits as its factorization.

50381312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50381312 is about 7097.9794307958. The cubic root of 50381312 is about 369.3372894947.

Adding to 50381312 its reverse (21318305), we get a palindrome (71699617).

The spelling of 50381312 in words is "fifty million, three hundred eighty-one thousand, three hundred twelve".