50921447 has 2 divisors, whose sum is σ = 50921448. Its totient is φ = 50921446.

The previous prime is 50921359. The next prime is 50921459. The reversal of 50921447 is 74412905.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50921447 - 2⁸ = 50921191 is a 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 (50921047) 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, 25460723 + 25460724.

It is an arithmetic number, because the mean of its divisors is an integer number (25460724).

Almost surely, 2^50921447 is an apocalyptic number.

50921447 is a deficient number, since it is larger than the sum of its proper divisors (1).

50921447 is an equidigital number, since it uses as much as digits as its factorization.

50921447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 50921447 is about 7135.9264990609. The cubic root of 50921447 is about 370.6524815183.

The spelling of 50921447 in words is "fifty million, nine hundred twenty-one thousand, four hundred forty-seven".