50669999 has 2 divisors, whose sum is σ = 50670000. Its totient is φ = 50669998.

The previous prime is 50669963. The next prime is 50670001. The reversal of 50669999 is 99996605.

50669999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50669999 - 2¹² = 50665903 is a prime.

Together with 50670001, it forms a pair of twin primes.

It is a Chen prime.

50669999 is a modest number, since divided by 9999 gives 5066 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 50669999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50669929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25334999 + 25335000.

It is an arithmetic number, because the mean of its divisors is an integer number (25335000).

Almost surely, 2^50669999 is an apocalyptic number.

50669999 is a deficient number, since it is larger than the sum of its proper divisors (1).

50669999 is an equidigital number, since it uses as much as digits as its factorization.

50669999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1180980, while the sum is 53.

The square root of 50669999 is about 7118.2862403812. The cubic root of 50669999 is about 370.0413856799.

The spelling of 50669999 in words is "fifty million, six hundred sixty-nine thousand, nine hundred ninety-nine".