5491055281 has 2 divisors, whose sum is σ = 5491055282. Its totient is φ = 5491055280.

The previous prime is 5491055209. The next prime is 5491055329. The reversal of 5491055281 is 1825501945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4277160000 + 1213895281 = 65400^2 + 34841^2 .

It is a cyclic number.

It is not a de Polignac number, because 5491055281 - 2¹¹ = 5491053233 is a prime.

It is a super-2 number, since 2×5491055281² = 60303376197995977922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5491055201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2745527640 + 2745527641.

It is an arithmetic number, because the mean of its divisors is an integer number (2745527641).

Almost surely, 2^5491055281 is an apocalyptic number.

It is an amenable number.

5491055281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5491055281 is an equidigital number, since it uses as much as digits as its factorization.

5491055281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 5491055281 is about 74101.6550489933. The cubic root of 5491055281 is about 1764.2167401519.

The spelling of 5491055281 in words is "five billion, four hundred ninety-one million, fifty-five thousand, two hundred eighty-one".