5556888899 has 2 divisors, whose sum is σ = 5556888900. Its totient is φ = 5556888898.

The previous prime is 5556888893. The next prime is 5556888959. The reversal of 5556888899 is 9988886555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556888899 - 2⁸ = 5556888643 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (5556888893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778444449 + 2778444450.

It is an arithmetic number, because the mean of its divisors is an integer number (2778444450).

Almost surely, 2^5556888899 is an apocalyptic number.

5556888899 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556888899 is an equidigital number, since it uses as much as digits as its factorization.

5556888899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832000, while the sum is 71.

The square root of 5556888899 is about 74544.5430531303. The cubic root of 5556888899 is about 1771.2392928544.

The spelling of 5556888899 in words is "five billion, five hundred fifty-six million, eight hundred eighty-eight thousand, eight hundred ninety-nine".