50342221 has 4 divisors (see below), whose sum is σ = 50359932. Its totient is φ = 50324512.

The previous prime is 50342143. The next prime is 50342251. The reversal of 50342221 is 12224305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 38266596 = 3475^2 + 6186^2 .

It is a cyclic number.

It is not a de Polignac number, because 50342221 - 2¹⁵ = 50309453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50342251) 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, 3520 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (12589983).

Almost surely, 2^50342221 is an apocalyptic number.

It is an amenable number.

50342221 is a deficient number, since it is larger than the sum of its proper divisors (17711).

50342221 is a wasteful number, since it uses less digits than its factorization.

50342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710.

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

The square root of 50342221 is about 7095.2252254597. The cubic root of 50342221 is about 369.2417415020.

Adding to 50342221 its reverse (12224305), we get a palindrome (62566526).

It can be divided in two parts, 503 and 42221, that added together give a palindrome (42724).

The spelling of 50342221 in words is "fifty million, three hundred forty-two thousand, two hundred twenty-one".