55323365533 has 2 divisors, whose sum is σ = 55323365534. Its totient is φ = 55323365532.

The previous prime is 55323365527. The next prime is 55323365549. The reversal of 55323365533 is 33556332355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32783447844 + 22539917689 = 181062^2 + 150133^2 .

It is a cyclic number.

It is not a de Polignac number, because 55323365533 - 2⁹ = 55323365021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55323365533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55323365233) 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, 27661682766 + 27661682767.

It is an arithmetic number, because the mean of its divisors is an integer number (27661682767).

Almost surely, 2^55323365533 is an apocalyptic number.

It is an amenable number.

55323365533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55323365533 is an equidigital number, since it uses as much as digits as its factorization.

55323365533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1822500, while the sum is 43.

Adding to 55323365533 its reverse (33556332355), we get a palindrome (88879697888).

The spelling of 55323365533 in words is "fifty-five billion, three hundred twenty-three million, three hundred sixty-five thousand, five hundred thirty-three".