50989312 has 72 divisors (see below), whose sum is σ = 116998560. Its totient is φ = 21934080.

The previous prime is 50989297. The next prime is 50989319. The reversal of 50989312 is 21398905.

It is not an unprimeable number, because it can be changed into a prime (50989319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53028 + ... + 53980.

It is an arithmetic number, because the mean of its divisors is an integer number (1624980).

Almost surely, 2^50989312 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 50989312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58499280).

50989312 is an abundant number, since it is smaller than the sum of its proper divisors (66009248).

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

50989312 is a wasteful number, since it uses less digits than its factorization.

50989312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50989312 is about 7140.6800796563. The cubic root of 50989312 is about 370.8170694322.

It can be divided in two parts, 509893 and 12, that added together give a palindrome (509905).

The spelling of 50989312 in words is "fifty million, nine hundred eighty-nine thousand, three hundred twelve".