5531744081 has 2 divisors, whose sum is σ = 5531744082. Its totient is φ = 5531744080.

The previous prime is 5531744041. The next prime is 5531744107. The reversal of 5531744081 is 1804471355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5478220225 + 53523856 = 74015^2 + 7316^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531744081 - 2¹⁰ = 5531743057 is a prime.

It is a super-2 number, since 2×5531744081² = 61200385155357069122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5531744041) 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, 2765872040 + 2765872041.

It is an arithmetic number, because the mean of its divisors is an integer number (2765872041).

Almost surely, 2^5531744081 is an apocalyptic number.

It is an amenable number.

5531744081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531744081 is an equidigital number, since it uses as much as digits as its factorization.

5531744081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 5531744081 is about 74375.6954992691. The cubic root of 5531744081 is about 1768.5636448463.

The spelling of 5531744081 in words is "five billion, five hundred thirty-one million, seven hundred forty-four thousand, eighty-one".