55222166463665 has 8 divisors (see below), whose sum is σ = 66439619601408. Its totient is φ = 44062386607600.

The previous prime is 55222166463643. The next prime is 55222166463689. The reversal of 55222166463665 is 56636466122255.

It is a happy number.

55222166463665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55222166463665 - 2²⁴ = 55222149686449 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 14418318311 + ... + 14418322140.

It is an arithmetic number, because the mean of its divisors is an integer number (8304952450176).

Almost surely, 2^{55222166463665} is an apocalyptic number.

It is an amenable number.

55222166463665 is a deficient number, since it is larger than the sum of its proper divisors (11217453137743).

55222166463665 is a wasteful number, since it uses less digits than its factorization.

55222166463665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28836640839.

The product of its digits is 93312000, while the sum is 59.

The spelling of 55222166463665 in words is "fifty-five trillion, two hundred twenty-two billion, one hundred sixty-six million, four hundred sixty-three thousand, six hundred sixty-five".