55655560766 has 32 divisors (see below), whose sum is σ = 91640797248. Its totient is φ = 25195173120.

The previous prime is 55655560729. The next prime is 55655560771. The reversal of 55655560766 is 66706555655.

It is a Curzon number.

It is a congruent number.

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, 262535 + ... + 424541.

It is an arithmetic number, because the mean of its divisors is an integer number (2863774914).

Almost surely, 2^55655560766 is an apocalyptic number.

55655560766 is a deficient number, since it is larger than the sum of its proper divisors (35985236482).

55655560766 is a wasteful number, since it uses less digits than its factorization.

55655560766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162276.

The product of its (nonzero) digits is 28350000, while the sum is 56.

The spelling of 55655560766 in words is "fifty-five billion, six hundred fifty-five million, five hundred sixty thousand, seven hundred sixty-six".