55665610500605 has 16 divisors (see below), whose sum is σ = 76341614883840. Its totient is φ = 38170601244672.

The previous prime is 55665610500589. The next prime is 55665610500637. The reversal of 55665610500605 is 50600501656655.

55665610500605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55665610500605 - 2⁴ = 55665610500589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379316 + ... + 16265874.

It is an arithmetic number, because the mean of its divisors is an integer number (4771350930240).

Almost surely, 2^{55665610500605} is an apocalyptic number.

It is an amenable number.

55665610500605 is a deficient number, since it is larger than the sum of its proper divisors (20676004383235).

55665610500605 is a wasteful number, since it uses less digits than its factorization.

55665610500605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295788.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 55665610500605 in words is "fifty-five trillion, six hundred sixty-five billion, six hundred ten million, five hundred thousand, six hundred five".