50530003 has 4 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 50498728.

The previous prime is 50529989. The next prime is 50530027. The reversal of 50530003 is 30003505.

It is a happy number.

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 50530003 - 2²¹ = 48432851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50530703) 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, 13075 + ... + 16492.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^50530003 is an apocalyptic number.

50530003 is a deficient number, since it is larger than the sum of its proper divisors (31277).

50530003 is a wasteful number, since it uses less digits than its factorization.

50530003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31276.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 50530003 is about 7108.4458920358. The cubic root of 50530003 is about 369.7002758962.

Adding to 50530003 its reverse (30003505), we get a palindrome (80533508).

The spelling of 50530003 in words is "fifty million, five hundred thirty thousand, three".