55687202068385 has 24 divisors (see below), whose sum is σ = 68020893096576. Its totient is φ = 43766054727840.

The previous prime is 55687202068349. The next prime is 55687202068391. The reversal of 55687202068385 is 58386020278655.

55687202068385 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55687202068385 - 2³² = 55682907101089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25602152 + ... + 27691958.

It is an arithmetic number, because the mean of its divisors is an integer number (2834203879024).

Almost surely, 2^{55687202068385} is an apocalyptic number.

It is an amenable number.

55687202068385 is a deficient number, since it is larger than the sum of its proper divisors (12333691028191).

55687202068385 is a wasteful number, since it uses less digits than its factorization.

55687202068385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091461 (or 2091402 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 55687202068385 in words is "fifty-five trillion, six hundred eighty-seven billion, two hundred two million, sixty-eight thousand, three hundred eighty-five".