50659669 has 2 divisors, whose sum is σ = 50659670. Its totient is φ = 50659668.

The previous prime is 50659667. The next prime is 50659709. The reversal of 50659669 is 96695605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 1238769 = 7030^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 50659669 - 2¹ = 50659667 is a prime.

It is a super-2 number, since 2×50659669² = 5132804126379122, which contains 22 as substring.

Together with 50659667, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50659667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25329834 + 25329835.

It is an arithmetic number, because the mean of its divisors is an integer number (25329835).

Almost surely, 2^50659669 is an apocalyptic number.

It is an amenable number.

50659669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50659669 is an equidigital number, since it uses as much as digits as its factorization.

50659669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 50659669 is about 7117.5606073991. The cubic root of 50659669 is about 370.0162374174.

The spelling of 50659669 in words is "fifty million, six hundred fifty-nine thousand, six hundred sixty-nine".