50221343 has 2 divisors, whose sum is σ = 50221344. Its totient is φ = 50221342.

The previous prime is 50221319. The next prime is 50221373. The reversal of 50221343 is 34312205.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50221343 - 2²² = 46027039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50221373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110671 + 25110672.

It is an arithmetic number, because the mean of its divisors is an integer number (25110672).

Almost surely, 2^50221343 is an apocalyptic number.

50221343 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221343 is an equidigital number, since it uses as much as digits as its factorization.

50221343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 50221343 is about 7086.7018421830. The cubic root of 50221343 is about 368.9459727060.

Adding to 50221343 its reverse (34312205), we get a palindrome (84533548).

The spelling of 50221343 in words is "fifty million, two hundred twenty-one thousand, three hundred forty-three".