50390947 has 2 divisors, whose sum is σ = 50390948. Its totient is φ = 50390946.

The previous prime is 50390917. The next prime is 50390959. The reversal of 50390947 is 74909305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50390947 - 2¹⁵ = 50358179 is a prime.

It is not a weakly prime, because it can be changed into another prime (50390917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25195473 + 25195474.

It is an arithmetic number, because the mean of its divisors is an integer number (25195474).

Almost surely, 2^50390947 is an apocalyptic number.

50390947 is a deficient number, since it is larger than the sum of its proper divisors (1).

50390947 is an equidigital number, since it uses as much as digits as its factorization.

50390947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 50390947 is about 7098.6581126295. The cubic root of 50390947 is about 369.3608322054.

The spelling of 50390947 in words is "fifty million, three hundred ninety thousand, nine hundred forty-seven".