5666555543 has 8 divisors (see below), whose sum is σ = 6394859280. Its totient is φ = 4973778880.

The previous prime is 5666555539. The next prime is 5666555567. The reversal of 5666555543 is 3455556665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5666555543 - 2² = 5666555539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5666555491 and 5666555500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666575543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8881430 + ... + 8882067.

It is an arithmetic number, because the mean of its divisors is an integer number (799357410).

Almost surely, 2^5666555543 is an apocalyptic number.

5666555543 is a deficient number, since it is larger than the sum of its proper divisors (728303737).

5666555543 is a wasteful number, since it uses less digits than its factorization.

5666555543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763537.

The product of its digits is 8100000, while the sum is 50.

The square root of 5666555543 is about 75276.5271714895. The cubic root of 5666555543 is about 1782.8154265556.

The spelling of 5666555543 in words is "five billion, six hundred sixty-six million, five hundred fifty-five thousand, five hundred forty-three".