50669959 has 4 divisors (see below), whose sum is σ = 50796720. Its totient is φ = 50543200.

The previous prime is 50669933. The next prime is 50669963. The reversal of 50669959 is 95996605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50669959 - 2²¹ = 48572807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50669929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62779 + ... + 63580.

It is an arithmetic number, because the mean of its divisors is an integer number (12699180).

Almost surely, 2^50669959 is an apocalyptic number.

50669959 is a deficient number, since it is larger than the sum of its proper divisors (126761).

50669959 is a wasteful number, since it uses less digits than its factorization.

50669959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126760.

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 50669959 is about 7118.2834307156. The cubic root of 50669959 is about 370.0412883070.

The spelling of 50669959 in words is "fifty million, six hundred sixty-nine thousand, nine hundred fifty-nine".