5556551443 has 2 divisors, whose sum is σ = 5556551444. Its totient is φ = 5556551442.

The previous prime is 5556551423. The next prime is 5556551489. The reversal of 5556551443 is 3441556555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556551443 - 2⁵ = 5556551411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5556551443.

It is not a weakly prime, because it can be changed into another prime (5556551423) 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, 2778275721 + 2778275722.

It is an arithmetic number, because the mean of its divisors is an integer number (2778275722).

Almost surely, 2^5556551443 is an apocalyptic number.

5556551443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556551443 is an equidigital number, since it uses as much as digits as its factorization.

5556551443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 43.

The square root of 5556551443 is about 74542.2795666996. The cubic root of 5556551443 is about 1771.2034378140.

The spelling of 5556551443 in words is "five billion, five hundred fifty-six million, five hundred fifty-one thousand, four hundred forty-three".