55550120033 has 2 divisors, whose sum is σ = 55550120034. Its totient is φ = 55550120032.

The previous prime is 55550120011. The next prime is 55550120141. The reversal of 55550120033 is 33002105555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55383503569 + 166616464 = 235337^2 + 12908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55550120033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55550119978 and 55550120005.

It is not a weakly prime, because it can be changed into another prime (55550120233) 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, 27775060016 + 27775060017.

It is an arithmetic number, because the mean of its divisors is an integer number (27775060017).

Almost surely, 2^55550120033 is an apocalyptic number.

It is an amenable number.

55550120033 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550120033 is an equidigital number, since it uses as much as digits as its factorization.

55550120033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

Adding to 55550120033 its reverse (33002105555), we get a palindrome (88552225588).

The spelling of 55550120033 in words is "fifty-five billion, five hundred fifty million, one hundred twenty thousand, thirty-three".