5505505091 has 2 divisors, whose sum is σ = 5505505092. Its totient is φ = 5505505090.

The previous prime is 5505505081. The next prime is 5505505127. The reversal of 5505505091 is 1905055055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5505505091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5505505001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752752545 + 2752752546.

It is an arithmetic number, because the mean of its divisors is an integer number (2752752546).

Almost surely, 2^5505505091 is an apocalyptic number.

5505505091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505505091 is an equidigital number, since it uses as much as digits as its factorization.

5505505091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28125, while the sum is 35.

The square root of 5505505091 is about 74199.0909041344. The cubic root of 5505505091 is about 1765.7629073042.

The spelling of 5505505091 in words is "five billion, five hundred five million, five hundred five thousand, ninety-one".