55056715166 has 8 divisors (see below), whose sum is σ = 82610055480. Its totient is φ = 27520030008.

The previous prime is 55056715163. The next prime is 55056715171. The reversal of 55056715166 is 66151765055.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55056715166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056715163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4155521 + ... + 4168748.

It is an arithmetic number, because the mean of its divisors is an integer number (10326256935).

Almost surely, 2^55056715166 is an apocalyptic number.

55056715166 is a deficient number, since it is larger than the sum of its proper divisors (27553340314).

55056715166 is a wasteful number, since it uses less digits than its factorization.

55056715166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327578.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 55056715166 in words is "fifty-five billion, fifty-six million, seven hundred fifteen thousand, one hundred sixty-six".