55116344449 has 2 divisors, whose sum is σ = 55116344450. Its totient is φ = 55116344448.

The previous prime is 55116344401. The next prime is 55116344467. The reversal of 55116344449 is 94444361155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55116013824 + 330625 = 234768^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 55116344449 - 2³³ = 46526409857 is a prime.

It is a super-2 number, since 2×55116344449² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55116344399 and 55116344408.

It is not a weakly prime, because it can be changed into another prime (55116344849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27558172224 + 27558172225.

It is an arithmetic number, because the mean of its divisors is an integer number (27558172225).

Almost surely, 2^55116344449 is an apocalyptic number.

It is an amenable number.

55116344449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55116344449 is an equidigital number, since it uses as much as digits as its factorization.

55116344449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 46.

The spelling of 55116344449 in words is "fifty-five billion, one hundred sixteen million, three hundred forty-four thousand, four hundred forty-nine".