55166852205222 has 8 divisors (see below), whose sum is σ = 110333704410456. Its totient is φ = 18388950735072.

The previous prime is 55166852205221. The next prime is 55166852205281. The reversal of 55166852205222 is 22250225866155.

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

55166852205222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55166852205221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4597237683763 + ... + 4597237683774.

It is an arithmetic number, because the mean of its divisors is an integer number (13791713051307).

Almost surely, 2^{55166852205222} is an apocalyptic number.

55166852205222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55166852205222 is a wasteful number, since it uses less digits than its factorization.

55166852205222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194475367542.

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 55166852205222 in words is "fifty-five trillion, one hundred sixty-six billion, eight hundred fifty-two million, two hundred five thousand, two hundred twenty-two".