5551055443 has 2 divisors, whose sum is σ = 5551055444. Its totient is φ = 5551055442.

The previous prime is 5551055423. The next prime is 5551055453. The reversal of 5551055443 is 3445501555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551055443 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551055413) 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, 2775527721 + 2775527722.

It is an arithmetic number, because the mean of its divisors is an integer number (2775527722).

Almost surely, 2^5551055443 is an apocalyptic number.

5551055443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551055443 is an equidigital number, since it uses as much as digits as its factorization.

5551055443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 5551055443 is about 74505.4054616173. The cubic root of 5551055443 is about 1770.6192778098.

Adding to 5551055443 its reverse (3445501555), we get a palindrome (8996556998).

The spelling of 5551055443 in words is "five billion, five hundred fifty-one million, fifty-five thousand, four hundred forty-three".