5510581 has 2 divisors, whose sum is σ = 5510582. Its totient is φ = 5510580.

The previous prime is 5510573. The next prime is 5510587. The reversal of 5510581 is 1850155.

5510581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4691556 + 819025 = 2166^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5510581 - 2³ = 5510573 is a prime.

It is a super-2 number, since 2×5510581² = 60733005915122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5510587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755290 + 2755291.

It is an arithmetic number, because the mean of its divisors is an integer number (2755291).

Almost surely, 2^5510581 is an apocalyptic number.

It is an amenable number.

5510581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5510581 is an equidigital number, since it uses as much as digits as its factorization.

5510581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5510581 is about 2347.4626727597. The cubic root of 5510581 is about 176.6305400597.

The spelling of 5510581 in words is "five million, five hundred ten thousand, five hundred eighty-one".