50640803 has 4 divisors (see below), whose sum is σ = 50719008. Its totient is φ = 50562600.

The previous prime is 50640791. The next prime is 50640829. The reversal of 50640803 is 30804605.

50640803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50640803 - 2¹⁰ = 50639779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50640893) 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 3 ways as a sum of consecutive naturals, for example, 38123 + ... + 39428.

It is an arithmetic number, because the mean of its divisors is an integer number (12679752).

Almost surely, 2^50640803 is an apocalyptic number.

50640803 is a deficient number, since it is larger than the sum of its proper divisors (78205).

50640803 is an equidigital number, since it uses as much as digits as its factorization.

50640803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78204.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50640803 is about 7116.2351703692. The cubic root of 50640803 is about 369.9702995395.

The spelling of 50640803 in words is "fifty million, six hundred forty thousand, eight hundred three".