545550304404289 has 2 divisors, whose sum is σ = 545550304404290. Its totient is φ = 545550304404288.

The previous prime is 545550304404253. The next prime is 545550304404331. The reversal of 545550304404289 is 982404403055545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322510775202225 + 223039529202064 = 17958585^2 + 14934508^2 .

It is a cyclic number.

It is not a de Polignac number, because 545550304404289 - 2¹¹ = 545550304402241 is a prime.

It is a super-2 number, since 2×545550304404289² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545550304404089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272775152202144 + 272775152202145.

It is an arithmetic number, because the mean of its divisors is an integer number (272775152202145).

Almost surely, 2^{545550304404289} is an apocalyptic number.

It is an amenable number.

545550304404289 is a deficient number, since it is larger than the sum of its proper divisors (1).

545550304404289 is an equidigital number, since it uses as much as digits as its factorization.

545550304404289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120000, while the sum is 58.

The spelling of 545550304404289 in words is "five hundred forty-five trillion, five hundred fifty billion, three hundred four million, four hundred four thousand, two hundred eighty-nine".