50538312 has 72 divisors (see below), whose sum is σ = 150474870. Its totient is φ = 15312000.

The previous prime is 50538311. The next prime is 50538349. The reversal of 50538312 is 21383505.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 21958596 = 5346^2 + 4686^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (50538311) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5812 + ... + 11612.

Almost surely, 2^50538312 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 50538312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75237435).

50538312 is an abundant number, since it is smaller than the sum of its proper divisors (99936558).

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

50538312 is a wasteful number, since it uses less digits than its factorization.

50538312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 50538312 is about 7109.0303136222. The cubic root of 50538312 is about 369.7205389152.

The spelling of 50538312 in words is "fifty million, five hundred thirty-eight thousand, three hundred twelve".