55330802273 has 2 divisors, whose sum is σ = 55330802274. Its totient is φ = 55330802272.

The previous prime is 55330802269. The next prime is 55330802297. The reversal of 55330802273 is 37220803355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43111047424 + 12219754849 = 207632^2 + 110543^2 .

It is a cyclic number.

It is not a de Polignac number, because 55330802273 - 2² = 55330802269 is a prime.

It is a super-2 number, since 2×55330802273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55330802473) 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, 27665401136 + 27665401137.

It is an arithmetic number, because the mean of its divisors is an integer number (27665401137).

Almost surely, 2^55330802273 is an apocalyptic number.

It is an amenable number.

55330802273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55330802273 is an equidigital number, since it uses as much as digits as its factorization.

55330802273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 55330802273 in words is "fifty-five billion, three hundred thirty million, eight hundred two thousand, two hundred seventy-three".