5566838903 has 2 divisors, whose sum is σ = 5566838904. Its totient is φ = 5566838902.

The previous prime is 5566838897. The next prime is 5566838999. The reversal of 5566838903 is 3098386655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5566838903 - 2¹⁰ = 5566837879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5566838203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783419451 + 2783419452.

It is an arithmetic number, because the mean of its divisors is an integer number (2783419452).

Almost surely, 2^5566838903 is an apocalyptic number.

5566838903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566838903 is an equidigital number, since it uses as much as digits as its factorization.

5566838903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The square root of 5566838903 is about 74611.2518525189. The cubic root of 5566838903 is about 1772.2958390567.

The spelling of 5566838903 in words is "five billion, five hundred sixty-six million, eight hundred thirty-eight thousand, nine hundred three".