50640003 has 24 divisors (see below), whose sum is σ = 76068720. Its totient is φ = 32424000.

The previous prime is 50639971. The next prime is 50640011. The reversal of 50640003 is 30004605.

It is a happy number.

50640003 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 50640003 - 2⁵ = 50639971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50640203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65125 + ... + 65897.

It is an arithmetic number, because the mean of its divisors is an integer number (3169530).

Almost surely, 2^50640003 is an apocalyptic number.

50640003 is a deficient number, since it is larger than the sum of its proper divisors (25428717).

50640003 is a wasteful number, since it uses less digits than its factorization.

50640003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50640003 is about 7116.1789606502. The cubic root of 50640003 is about 369.9683513227.

Adding to 50640003 its reverse (30004605), we get a palindrome (80644608).

The spelling of 50640003 in words is "fifty million, six hundred forty thousand, three".