5540555543 has 2 divisors, whose sum is σ = 5540555544. Its totient is φ = 5540555542.

The previous prime is 5540555521. The next prime is 5540555557. The reversal of 5540555543 is 3455550455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5540555543 - 2¹⁰ = 5540554519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5540555543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5540555243) 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, 2770277771 + 2770277772.

It is an arithmetic number, because the mean of its divisors is an integer number (2770277772).

Almost surely, 2^5540555543 is an apocalyptic number.

5540555543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540555543 is an equidigital number, since it uses as much as digits as its factorization.

5540555543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750000, while the sum is 41.

The square root of 5540555543 is about 74434.9080942537. The cubic root of 5540555543 is about 1769.5021893691.

The spelling of 5540555543 in words is "five billion, five hundred forty million, five hundred fifty-five thousand, five hundred forty-three".