50429947 has 2 divisors, whose sum is σ = 50429948. Its totient is φ = 50429946.

The previous prime is 50429917. The next prime is 50429957. The reversal of 50429947 is 74992405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50429947 is a prime.

It is not a weakly prime, because it can be changed into another prime (50429917) 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, 25214973 + 25214974.

It is an arithmetic number, because the mean of its divisors is an integer number (25214974).

Almost surely, 2^50429947 is an apocalyptic number.

50429947 is a deficient number, since it is larger than the sum of its proper divisors (1).

50429947 is an equidigital number, since it uses as much as digits as its factorization.

50429947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 50429947 is about 7101.4045793772. The cubic root of 50429947 is about 369.4560963924.

The spelling of 50429947 in words is "fifty million, four hundred twenty-nine thousand, nine hundred forty-seven".