50443009 has 2 divisors, whose sum is σ = 50443010. Its totient is φ = 50443008.

The previous prime is 50442971. The next prime is 50443021. The reversal of 50443009 is 90034405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 4840000 = 6753^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 50443009 - 2¹³ = 50434817 is a prime.

It is not a weakly prime, because it can be changed into another prime (50443069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221504 + 25221505.

It is an arithmetic number, because the mean of its divisors is an integer number (25221505).

Almost surely, 2^50443009 is an apocalyptic number.

It is an amenable number.

50443009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50443009 is an equidigital number, since it uses as much as digits as its factorization.

50443009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 50443009 is about 7102.3241970499. The cubic root of 50443009 is about 369.4879915871.

The spelling of 50443009 in words is "fifty million, four hundred forty-three thousand, nine".