50221243 has 4 divisors (see below), whose sum is σ = 51953040. Its totient is φ = 48489448.

The previous prime is 50221231. The next prime is 50221319. The reversal of 50221243 is 34212205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34212205 = 5 ⋅6842441.

It is a cyclic number.

It is not a de Polignac number, because 50221243 - 2¹⁷ = 50090171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50221243.

It is not an unprimeable number, because it can be changed into a prime (50221343) 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, 865855 + ... + 865912.

It is an arithmetic number, because the mean of its divisors is an integer number (12988260).

Almost surely, 2^50221243 is an apocalyptic number.

50221243 is a deficient number, since it is larger than the sum of its proper divisors (1731797).

50221243 is a wasteful number, since it uses less digits than its factorization.

50221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731796.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50221243 is about 7086.6947867112. The cubic root of 50221243 is about 368.9457278259.

Adding to 50221243 its reverse (34212205), we get a palindrome (84433448).

The spelling of 50221243 in words is "fifty million, two hundred twenty-one thousand, two hundred forty-three".