5555055005209 has 2 divisors, whose sum is σ = 5555055005210. Its totient is φ = 5555055005208.

The previous prime is 5555055005179. The next prime is 5555055005267. The reversal of 5555055005209 is 9025005505555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2911920409225 + 2643134595984 = 1706435^2 + 1625772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5555055005209 is a prime.

It is a super-2 number, since 2×5555055005209² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5555055005299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777527502604 + 2777527502605.

It is an arithmetic number, because the mean of its divisors is an integer number (2777527502605).

Almost surely, 2^{5555055005209} is an apocalyptic number.

It is an amenable number.

5555055005209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555055005209 is an equidigital number, since it uses as much as digits as its factorization.

5555055005209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1406250, while the sum is 46.

The spelling of 5555055005209 in words is "five trillion, five hundred fifty-five billion, fifty-five million, five thousand, two hundred nine".