55512201293 has 2 divisors, whose sum is σ = 55512201294. Its totient is φ = 55512201292.

The previous prime is 55512201263. The next prime is 55512201299. The reversal of 55512201293 is 39210221555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46449732484 + 9062468809 = 215522^2 + 95197^2 .

It is a cyclic number.

It is not a de Polignac number, because 55512201293 - 2⁶ = 55512201229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55512201299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756100646 + 27756100647.

It is an arithmetic number, because the mean of its divisors is an integer number (27756100647).

Almost surely, 2^55512201293 is an apocalyptic number.

It is an amenable number.

55512201293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512201293 is an equidigital number, since it uses as much as digits as its factorization.

55512201293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 55512201293 in words is "fifty-five billion, five hundred twelve million, two hundred one thousand, two hundred ninety-three".