50218312 has 16 divisors (see below), whose sum is σ = 94313340. Its totient is φ = 25068096.

The previous prime is 50218307. The next prime is 50218319. The reversal of 50218312 is 21381205.

50218312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47803396 + 2414916 = 6914^2 + 1554^2 .

It is not an unprimeable number, because it can be changed into a prime (50218319) 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 3 ways as a sum of consecutive naturals, for example, 418 + ... + 10030.

Almost surely, 2^50218312 is an apocalyptic number.

It is an amenable number.

50218312 is a deficient number, since it is larger than the sum of its proper divisors (44095028).

50218312 is a wasteful number, since it uses less digits than its factorization.

50218312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272 (or 10268 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 50218312 is about 7086.4879877130. The cubic root of 50218312 is about 368.9385502460.

Adding to 50218312 its reverse (21381205), we get a palindrome (71599517).

The spelling of 50218312 in words is "fifty million, two hundred eighteen thousand, three hundred twelve".