5459550581 has 2 divisors, whose sum is σ = 5459550582. Its totient is φ = 5459550580.

The previous prime is 5459550539. The next prime is 5459550601. The reversal of 5459550581 is 1850559545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3761368900 + 1698181681 = 61330^2 + 41209^2 .

It is a cyclic number.

It is not a de Polignac number, because 5459550581 - 2¹⁸ = 5459288437 is a prime.

It is a super-2 number, since 2×5459550581² = 59613385092994875122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5459550521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2729775290 + 2729775291.

It is an arithmetic number, because the mean of its divisors is an integer number (2729775291).

Almost surely, 2^5459550581 is an apocalyptic number.

It is an amenable number.

5459550581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5459550581 is an equidigital number, since it uses as much as digits as its factorization.

5459550581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 47.

The square root of 5459550581 is about 73888.7716842011. The cubic root of 5459550581 is about 1760.8362267822.

The spelling of 5459550581 in words is "five billion, four hundred fifty-nine million, five hundred fifty thousand, five hundred eighty-one".