50404212 has 72 divisors (see below), whose sum is σ = 132787200. Its totient is φ = 16106688.

The previous prime is 50404199. The next prime is 50404217. The reversal of 50404212 is 21240405.

50404212 is a `hidden beast` number, since 50 + 404 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50404217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104989 + ... + 105467.

Almost surely, 2^50404212 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 50404212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66393600).

50404212 is an abundant number, since it is smaller than the sum of its proper divisors (82382988).

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

50404212 is a wasteful number, since it uses less digits than its factorization.

50404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 50404212 is about 7099.5923826654. The cubic root of 50404212 is about 369.3932397565.

Adding to 50404212 its reverse (21240405), we get a palindrome (71644617).

The spelling of 50404212 in words is "fifty million, four hundred four thousand, two hundred twelve".