55668136305 has 16 divisors (see below), whose sum is σ = 89167241664. Its totient is φ = 29656931520.

The previous prime is 55668136289. The next prime is 55668136313. The reversal of 55668136305 is 50363186655.

55668136305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55668136305 - 2⁴ = 55668136289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032266 + ... + 2059475.

It is an arithmetic number, because the mean of its divisors is an integer number (5572952604).

Almost surely, 2^55668136305 is an apocalyptic number.

It is an amenable number.

55668136305 is a deficient number, since it is larger than the sum of its proper divisors (33499105359).

55668136305 is a wasteful number, since it uses less digits than its factorization.

55668136305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092656.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 55668136305 in words is "fifty-five billion, six hundred sixty-eight million, one hundred thirty-six thousand, three hundred five".