5485556081 has 2 divisors, whose sum is σ = 5485556082. Its totient is φ = 5485556080.

The previous prime is 5485556033. The next prime is 5485556117. The reversal of 5485556081 is 1806555845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3179155456 + 2306400625 = 56384^2 + 48025^2 .

It is a cyclic number.

It is not a de Polignac number, because 5485556081 - 2⁶ = 5485556017 is a prime.

It is a super-2 number, since 2×5485556081² = 60182651035592157122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5485546081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2742778040 + 2742778041.

It is an arithmetic number, because the mean of its divisors is an integer number (2742778041).

Almost surely, 2^5485556081 is an apocalyptic number.

It is an amenable number.

5485556081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5485556081 is an equidigital number, since it uses as much as digits as its factorization.

5485556081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960000, while the sum is 47.

The square root of 5485556081 is about 74064.5399702179. The cubic root of 5485556081 is about 1763.6275989196.

The spelling of 5485556081 in words is "five billion, four hundred eighty-five million, five hundred fifty-six thousand, eighty-one".