55607299369 has 2 divisors, whose sum is σ = 55607299370. Its totient is φ = 55607299368.

The previous prime is 55607299309. The next prime is 55607299399. The reversal of 55607299369 is 96399270655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55607299344 + 25 = 235812^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 55607299369 - 2¹³ = 55607291177 is a prime.

It is a super-2 number, since 2×55607299369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55607299309) 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, 27803649684 + 27803649685.

It is an arithmetic number, because the mean of its divisors is an integer number (27803649685).

Almost surely, 2^55607299369 is an apocalyptic number.

It is an amenable number.

55607299369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55607299369 is an equidigital number, since it uses as much as digits as its factorization.

55607299369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27556200, while the sum is 61.

The spelling of 55607299369 in words is "fifty-five billion, six hundred seven million, two hundred ninety-nine thousand, three hundred sixty-nine".