50221967 has 2 divisors, whose sum is σ = 50221968. Its totient is φ = 50221966.

The previous prime is 50221943. The next prime is 50221981. The reversal of 50221967 is 76912205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50221967 - 2¹⁰ = 50220943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50221907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110983 + 25110984.

It is an arithmetic number, because the mean of its divisors is an integer number (25110984).

Almost surely, 2^50221967 is an apocalyptic number.

50221967 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221967 is an equidigital number, since it uses as much as digits as its factorization.

50221967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 50221967 is about 7086.7458681683. The cubic root of 50221967 is about 368.9475007505.

The spelling of 50221967 in words is "fifty million, two hundred twenty-one thousand, nine hundred sixty-seven".