5541538291 has 2 divisors, whose sum is σ = 5541538292. Its totient is φ = 5541538290.

The previous prime is 5541538241. The next prime is 5541538307. The reversal of 5541538291 is 1928351455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5541538291 - 2⁹ = 5541537779 is a prime.

It is not a weakly prime, because it can be changed into another prime (5541538201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770769145 + 2770769146.

It is an arithmetic number, because the mean of its divisors is an integer number (2770769146).

Almost surely, 2^5541538291 is an apocalyptic number.

5541538291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5541538291 is an equidigital number, since it uses as much as digits as its factorization.

5541538291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 43.

The square root of 5541538291 is about 74441.5091934601. The cubic root of 5541538291 is about 1769.6068041451.

The spelling of 5541538291 in words is "five billion, five hundred forty-one million, five hundred thirty-eight thousand, two hundred ninety-one".