5538514081 has 2 divisors, whose sum is σ = 5538514082. Its totient is φ = 5538514080.

The previous prime is 5538514019. The next prime is 5538514109. The reversal of 5538514081 is 1804158355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4735641856 + 802872225 = 68816^2 + 28335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538514081 - 2⁹ = 5538513569 is a prime.

It is a super-2 number, since 2×5538514081² = 61350276450870549122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5538514181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769257040 + 2769257041.

It is an arithmetic number, because the mean of its divisors is an integer number (2769257041).

Almost surely, 2^5538514081 is an apocalyptic number.

It is an amenable number.

5538514081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538514081 is an equidigital number, since it uses as much as digits as its factorization.

5538514081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 5538514081 is about 74421.1937622610. The cubic root of 5538514081 is about 1769.2848335937.

The spelling of 5538514081 in words is "five billion, five hundred thirty-eight million, five hundred fourteen thousand, eighty-one".