55203354775205 has 24 divisors (see below), whose sum is σ = 82987021249272. Its totient is φ = 34941903679872.

The previous prime is 55203354775201. The next prime is 55203354775253. The reversal of 55203354775205 is 50257745330255.

It can be written as a sum of positive squares in 4 ways, for example, as 965992156801 + 54237362618404 = 982849^2 + 7364602^2 .

It is not a de Polignac number, because 55203354775205 - 2² = 55203354775201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203354775201) 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 in 23 ways as a sum of consecutive naturals, for example, 8666143562 + ... + 8666149931.

It is an arithmetic number, because the mean of its divisors is an integer number (3457792552053).

Almost surely, 2^{55203354775205} is an apocalyptic number.

It is an amenable number.

55203354775205 is a deficient number, since it is larger than the sum of its proper divisors (27783666474067).

55203354775205 is a wasteful number, since it uses less digits than its factorization.

55203354775205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17332293525 (or 17332293518 counting only the distinct ones).

The product of its (nonzero) digits is 22050000, while the sum is 53.

The spelling of 55203354775205 in words is "fifty-five trillion, two hundred three billion, three hundred fifty-four million, seven hundred seventy-five thousand, two hundred five".