50640829 has 2 divisors, whose sum is σ = 50640830. Its totient is φ = 50640828.

The previous prime is 50640791. The next prime is 50640851. The reversal of 50640829 is 92804605.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25989604 + 24651225 = 5098^2 + 4965^2 .

It is a cyclic number.

It is not a de Polignac number, because 50640829 - 2¹⁹ = 50116541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50640794 and 50640803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50640859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320414 + 25320415.

It is an arithmetic number, because the mean of its divisors is an integer number (25320415).

Almost surely, 2^50640829 is an apocalyptic number.

It is an amenable number.

50640829 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640829 is an equidigital number, since it uses as much as digits as its factorization.

50640829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50640829 is about 7116.2369971777. The cubic root of 50640829 is about 369.9703628562.

The spelling of 50640829 in words is "fifty million, six hundred forty thousand, eight hundred twenty-nine".