55322313011209 has 2 divisors, whose sum is σ = 55322313011210. Its totient is φ = 55322313011208.

The previous prime is 55322313011201. The next prime is 55322313011227. The reversal of 55322313011209 is 90211031322355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54936854563600 + 385458447609 = 7411940^2 + 620853^2 .

It is a cyclic number.

It is not a de Polignac number, because 55322313011209 - 2³ = 55322313011201 is a prime.

It is a super-2 number, since 2×55322313011209² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55322313011201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27661156505604 + 27661156505605.

It is an arithmetic number, because the mean of its divisors is an integer number (27661156505605).

Almost surely, 2^{55322313011209} is an apocalyptic number.

It is an amenable number.

55322313011209 is a deficient number, since it is larger than the sum of its proper divisors (1).

55322313011209 is an equidigital number, since it uses as much as digits as its factorization.

55322313011209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 55322313011209 in words is "fifty-five trillion, three hundred twenty-two billion, three hundred thirteen million, eleven thousand, two hundred nine".