555560043541 has 2 divisors, whose sum is σ = 555560043542. Its totient is φ = 555560043540.

The previous prime is 555560043509. The next prime is 555560043551. The reversal of 555560043541 is 145340065555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471631056516 + 83928987025 = 686754^2 + 289705^2 .

It is a cyclic number.

It is not a de Polignac number, because 555560043541 - 2⁵ = 555560043509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555560043551) 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, 277780021770 + 277780021771.

It is an arithmetic number, because the mean of its divisors is an integer number (277780021771).

Almost surely, 2^555560043541 is an apocalyptic number.

It is an amenable number.

555560043541 is a deficient number, since it is larger than the sum of its proper divisors (1).

555560043541 is an equidigital number, since it uses as much as digits as its factorization.

555560043541 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 555560043541 in words is "five hundred fifty-five billion, five hundred sixty million, forty-three thousand, five hundred forty-one".