50000003 has 4 divisors (see below), whose sum is σ = 50102328. Its totient is φ = 49897680.

The previous prime is 49999991. The next prime is 50000017. The reversal of 50000003 is 30000005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50000063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50426 + ... + 51407.

It is an arithmetic number, because the mean of its divisors is an integer number (12525582).

Almost surely, 2^50000003 is an apocalyptic number.

50000003 is a deficient number, since it is larger than the sum of its proper divisors (102325).

50000003 is a wasteful number, since it uses less digits than its factorization.

50000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102324.

The product of its (nonzero) digits is 15, while the sum is 8.

The square root of 50000003 is about 7071.0680239975. The cubic root of 50000003 is about 368.4031572321.

Adding to 50000003 its reverse (30000005), we get a palindrome (80000008).

The spelling of 50000003 in words is "fifty million, three", and thus it is an aban number and an uban number.