55318032233 has 2 divisors, whose sum is σ = 55318032234. Its totient is φ = 55318032232.

The previous prime is 55318032197. The next prime is 55318032241. The reversal of 55318032233 is 33223081355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53688133849 + 1629898384 = 231707^2 + 40372^2 .

It is a cyclic number.

It is not a de Polignac number, because 55318032233 - 2⁶ = 55318032169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55318032193 and 55318032202.

It is not a weakly prime, because it can be changed into another prime (55318032533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27659016116 + 27659016117.

It is an arithmetic number, because the mean of its divisors is an integer number (27659016117).

Almost surely, 2^55318032233 is an apocalyptic number.

It is an amenable number.

55318032233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55318032233 is an equidigital number, since it uses as much as digits as its factorization.

55318032233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 55318032233 in words is "fifty-five billion, three hundred eighteen million, thirty-two thousand, two hundred thirty-three".