50005439 has 8 divisors (see below), whose sum is σ = 54604368. Its totient is φ = 45415360.

The previous prime is 50005409. The next prime is 50005441. The reversal of 50005439 is 93450005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50005439 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 (50005409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16619 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (6825546).

Almost surely, 2^50005439 is an apocalyptic number.

50005439 is a deficient number, since it is larger than the sum of its proper divisors (4598929).

50005439 is a wasteful number, since it uses less digits than its factorization.

50005439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 50005439 is about 7071.4523967853. The cubic root of 50005439 is about 368.4165076779.

The spelling of 50005439 in words is "fifty million, five thousand, four hundred thirty-nine".