50005409 has 2 divisors, whose sum is σ = 50005410. Its totient is φ = 50005408.

The previous prime is 50005399. The next prime is 50005441. The reversal of 50005409 is 90450005.

50005409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 11751184 = 6185^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 50005409 - 2⁴ = 50005393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50005489) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002704 + 25002705.

It is an arithmetic number, because the mean of its divisors is an integer number (25002705).

Almost surely, 2^50005409 is an apocalyptic number.

It is an amenable number.

50005409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005409 is an equidigital number, since it uses as much as digits as its factorization.

50005409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 50005409 is about 7071.4502755800. The cubic root of 50005409 is about 368.4164340026.

The spelling of 50005409 in words is "fifty million, five thousand, four hundred nine".