5500555550449 has 2 divisors, whose sum is σ = 5500555550450. Its totient is φ = 5500555550448.

The previous prime is 5500555550423. The next prime is 5500555550453. The reversal of 5500555550449 is 9440555550055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5337878848225 + 162676702224 = 2310385^2 + 403332^2 .

It is a cyclic number.

It is not a de Polignac number, because 5500555550449 - 2¹¹ = 5500555548401 is a prime.

It is a super-2 number, since 2×5500555550449² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5500555550396 and 5500555550405.

It is not a weakly prime, because it can be changed into another prime (5500555550249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750277775224 + 2750277775225.

It is an arithmetic number, because the mean of its divisors is an integer number (2750277775225).

Almost surely, 2^{5500555550449} is an apocalyptic number.

It is an amenable number.

5500555550449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500555550449 is an equidigital number, since it uses as much as digits as its factorization.

5500555550449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250000, while the sum is 52.

The spelling of 5500555550449 in words is "five trillion, five hundred billion, five hundred fifty-five million, five hundred fifty thousand, four hundred forty-nine".