55404341197 has 2 divisors, whose sum is σ = 55404341198. Its totient is φ = 55404341196.

The previous prime is 55404341191. The next prime is 55404341243. The reversal of 55404341197 is 79114340455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37253246121 + 18151095076 = 193011^2 + 134726^2 .

It is a cyclic number.

It is not a de Polignac number, because 55404341197 - 2¹¹ = 55404339149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55404341191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702170598 + 27702170599.

It is an arithmetic number, because the mean of its divisors is an integer number (27702170599).

Almost surely, 2^55404341197 is an apocalyptic number.

It is an amenable number.

55404341197 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404341197 is an equidigital number, since it uses as much as digits as its factorization.

55404341197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 55404341197 in words is "fifty-five billion, four hundred four million, three hundred forty-one thousand, one hundred ninety-seven".