545220554041 has 2 divisors, whose sum is σ = 545220554042. Its totient is φ = 545220554040.

The previous prime is 545220554033. The next prime is 545220554059. The reversal of 545220554041 is 140455022545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397872054441 + 147348499600 = 630771^2 + 383860^2 .

It is a cyclic number.

It is not a de Polignac number, because 545220554041 - 2³ = 545220554033 is a prime.

It is not a weakly prime, because it can be changed into another prime (545220504041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272610277020 + 272610277021.

It is an arithmetic number, because the mean of its divisors is an integer number (272610277021).

Almost surely, 2^545220554041 is an apocalyptic number.

It is an amenable number.

545220554041 is a deficient number, since it is larger than the sum of its proper divisors (1).

545220554041 is an equidigital number, since it uses as much as digits as its factorization.

545220554041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 545220554041 its reverse (140455022545), we get a palindrome (685675576586).

The spelling of 545220554041 in words is "five hundred forty-five billion, two hundred twenty million, five hundred fifty-four thousand, forty-one".