50423809 has 16 divisors (see below), whose sum is σ = 53415936. Its totient is φ = 47545600.

The previous prime is 50423783. The next prime is 50423833. The reversal of 50423809 is 90832405.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50423809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50423839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263904 + ... + 264094.

It is an arithmetic number, because the mean of its divisors is an integer number (3338496).

Almost surely, 2^50423809 is an apocalyptic number.

It is an amenable number.

50423809 is a deficient number, since it is larger than the sum of its proper divisors (2992127).

50423809 is a wasteful number, since it uses less digits than its factorization.

50423809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 50423809 is about 7100.9723982001. The cubic root of 50423809 is about 369.4411065324.

The spelling of 50423809 in words is "fifty million, four hundred twenty-three thousand, eight hundred nine".