55512204697 has 2 divisors, whose sum is σ = 55512204698. Its totient is φ = 55512204696.

The previous prime is 55512204673. The next prime is 55512204743. The reversal of 55512204697 is 79640221555.

It is an a-pointer prime, because the next prime (55512204743) can be obtained adding 55512204697 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54785956096 + 726248601 = 234064^2 + 26949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55512204697 is a prime.

It is not a weakly prime, because it can be changed into another prime (55512204647) 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, 27756102348 + 27756102349.

It is an arithmetic number, because the mean of its divisors is an integer number (27756102349).

Almost surely, 2^55512204697 is an apocalyptic number.

It is an amenable number.

55512204697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512204697 is an equidigital number, since it uses as much as digits as its factorization.

55512204697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 55512204697 in words is "fifty-five billion, five hundred twelve million, two hundred four thousand, six hundred ninety-seven".