50489903 has 2 divisors, whose sum is σ = 50489904. Its totient is φ = 50489902.

The previous prime is 50489893. The next prime is 50489909. The reversal of 50489903 is 30998405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50489903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50489909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25244951 + 25244952.

It is an arithmetic number, because the mean of its divisors is an integer number (25244952).

Almost surely, 2^50489903 is an apocalyptic number.

50489903 is a deficient number, since it is larger than the sum of its proper divisors (1).

50489903 is an equidigital number, since it uses as much as digits as its factorization.

50489903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 50489903 is about 7105.6247438209. The cubic root of 50489903 is about 369.6024534571.

The spelling of 50489903 in words is "fifty million, four hundred eighty-nine thousand, nine hundred three".