544352043553 has 2 divisors, whose sum is σ = 544352043554. Its totient is φ = 544352043552.

The previous prime is 544352043533. The next prime is 544352043569. The reversal of 544352043553 is 355340253445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519368131584 + 24983911969 = 720672^2 + 158063^2 .

It is a cyclic number.

It is not a de Polignac number, because 544352043553 - 2⁹ = 544352043041 is a prime.

It is not a weakly prime, because it can be changed into another prime (544352043503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272176021776 + 272176021777.

It is an arithmetic number, because the mean of its divisors is an integer number (272176021777).

Almost surely, 2^544352043553 is an apocalyptic number.

It is an amenable number.

544352043553 is a deficient number, since it is larger than the sum of its proper divisors (1).

544352043553 is an equidigital number, since it uses as much as digits as its factorization.

544352043553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 43.

Adding to 544352043553 its reverse (355340253445), we get a palindrome (899692296998).

The spelling of 544352043553 in words is "five hundred forty-four billion, three hundred fifty-two million, forty-three thousand, five hundred fifty-three".