50311212 has 48 divisors (see below), whose sum is σ = 140001792. Its totient is φ = 13749120.

The previous prime is 50311207. The next prime is 50311213. The reversal of 50311212 is 21211305.

It is a junction number, because it is equal to n+sod(n) for n = 50311191 and 50311200.

It is not an unprimeable number, because it can be changed into a prime (50311213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11089 + ... + 14952.

It is an arithmetic number, because the mean of its divisors is an integer number (2916704).

Almost surely, 2^50311212 is an apocalyptic number.

It is an amenable number.

50311212 is an abundant number, since it is smaller than the sum of its proper divisors (89690580).

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

50311212 is a wasteful number, since it uses less digits than its factorization.

50311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078 (or 26076 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50311212 is about 7093.0396869043. The cubic root of 50311212 is about 369.1659127137.

Adding to 50311212 its reverse (21211305), we get a palindrome (71522517).

The spelling of 50311212 in words is "fifty million, three hundred eleven thousand, two hundred twelve".