5500555591 has 2 divisors, whose sum is σ = 5500555592. Its totient is φ = 5500555590.

The previous prime is 5500555573. The next prime is 5500555597. The reversal of 5500555591 is 1955550055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5500555591 - 2¹¹ = 5500553543 is a prime.

It is a super-2 number, since 2×5500555591² = 60512223619362718562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500555597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750277795 + 2750277796.

It is an arithmetic number, because the mean of its divisors is an integer number (2750277796).

Almost surely, 2^5500555591 is an apocalyptic number.

5500555591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500555591 is an equidigital number, since it uses as much as digits as its factorization.

5500555591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140625, while the sum is 40.

The square root of 5500555591 is about 74165.7305701225. The cubic root of 5500555591 is about 1765.2336029273.

The spelling of 5500555591 in words is "five billion, five hundred million, five hundred fifty-five thousand, five hundred ninety-one".