50435221 has 4 divisors (see below), whose sum is σ = 50475232. Its totient is φ = 50395212.

The previous prime is 50435213. The next prime is 50435249. The reversal of 50435221 is 12253405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50435221 - 2³ = 50435213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50435192 and 50435201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50435261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18051 + ... + 20656.

It is an arithmetic number, because the mean of its divisors is an integer number (12618808).

Almost surely, 2^50435221 is an apocalyptic number.

It is an amenable number.

50435221 is a deficient number, since it is larger than the sum of its proper divisors (40011).

50435221 is a wasteful number, since it uses less digits than its factorization.

50435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40010.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50435221 is about 7101.7759046593. The cubic root of 50435221 is about 369.4689752712.

Adding to 50435221 its reverse (12253405), we get a palindrome (62688626).

The spelling of 50435221 in words is "fifty million, four hundred thirty-five thousand, two hundred twenty-one".