50403811 has 4 divisors (see below), whose sum is σ = 50546952. Its totient is φ = 50260672.

The previous prime is 50403809. The next prime is 50403839. The reversal of 50403811 is 11830405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50403811 - 2¹ = 50403809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50403851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71041 + ... + 71746.

It is an arithmetic number, because the mean of its divisors is an integer number (12636738).

Almost surely, 2^50403811 is an apocalyptic number.

50403811 is a deficient number, since it is larger than the sum of its proper divisors (143141).

50403811 is a wasteful number, since it uses less digits than its factorization.

50403811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143140.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 50403811 is about 7099.5641415512. The cubic root of 50403811 is about 369.3922601619.

The spelling of 50403811 in words is "fifty million, four hundred three thousand, eight hundred eleven".