5556505943 has 2 divisors, whose sum is σ = 5556505944. Its totient is φ = 5556505942.

The previous prime is 5556505931. The next prime is 5556505979. The reversal of 5556505943 is 3495056555.

5556505943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556505943 - 2⁸ = 5556505687 is a prime.

It is a super-3 number, since 3×5556505943³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556505993) 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, 2778252971 + 2778252972.

It is an arithmetic number, because the mean of its divisors is an integer number (2778252972).

Almost surely, 2^5556505943 is an apocalyptic number.

5556505943 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556505943 is an equidigital number, since it uses as much as digits as its factorization.

5556505943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The square root of 5556505943 is about 74541.9743701493. The cubic root of 5556505943 is about 1771.1986032821.

The spelling of 5556505943 in words is "five billion, five hundred fifty-six million, five hundred five thousand, nine hundred forty-three".