552554231321 has 2 divisors, whose sum is σ = 552554231322. Its totient is φ = 552554231320.

The previous prime is 552554231303. The next prime is 552554231351. The reversal of 552554231321 is 123132455255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348011505625 + 204542725696 = 589925^2 + 452264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552554231321 is a prime.

It is not a weakly prime, because it can be changed into another prime (552554231351) 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, 276277115660 + 276277115661.

It is an arithmetic number, because the mean of its divisors is an integer number (276277115661).

Almost surely, 2^552554231321 is an apocalyptic number.

It is an amenable number.

552554231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

552554231321 is an equidigital number, since it uses as much as digits as its factorization.

552554231321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180000, while the sum is 38.

Adding to 552554231321 its reverse (123132455255), we get a palindrome (675686686576).

The spelling of 552554231321 in words is "five hundred fifty-two billion, five hundred fifty-four million, two hundred thirty-one thousand, three hundred twenty-one".