50394809 has 8 divisors (see below), whose sum is σ = 52296192. Its totient is φ = 48510720.

The previous prime is 50394803. The next prime is 50394833. The reversal of 50394809 is 90849305.

50394809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50394809 - 2⁴ = 50394793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50394803) 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 in 7 ways as a sum of consecutive naturals, for example, 1772 + ... + 10194.

It is an arithmetic number, because the mean of its divisors is an integer number (6537024).

Almost surely, 2^50394809 is an apocalyptic number.

It is an amenable number.

50394809 is a deficient number, since it is larger than the sum of its proper divisors (1901383).

50394809 is a wasteful number, since it uses less digits than its factorization.

50394809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 50394809 is about 7098.9301306605. The cubic root of 50394809 is about 369.3702679948.

The spelling of 50394809 in words is "fifty million, three hundred ninety-four thousand, eight hundred nine".