50405212 has 36 divisors (see below), whose sum is σ = 104428408. Its totient is φ = 21146400.

The previous prime is 50405191. The next prime is 50405227. The reversal of 50405212 is 21250405.

It is a self number, because there is not a number n which added to its sum of digits gives 50405212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2287 + ... + 10297.

Almost surely, 2^50405212 is an apocalyptic number.

50405212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50405212 is an abundant number, since it is smaller than the sum of its proper divisors (54023196).

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

50405212 is a wasteful number, since it uses less digits than its factorization.

50405212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050 (or 8037 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50405212 is about 7099.6628088945. The cubic root of 50405212 is about 369.3956826132.

Adding to 50405212 its reverse (21250405), we get a palindrome (71655617).

The spelling of 50405212 in words is "fifty million, four hundred five thousand, two hundred twelve".