55051101166666 has 32 divisors (see below), whose sum is σ = 92259335399616. Its totient is φ = 24425125296000.

The previous prime is 55051101166661. The next prime is 55051101166669. The reversal of 55051101166666 is 66666110115055.

It is not an unprimeable number, because it can be changed into a prime (55051101166661) 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 15 ways as a sum of consecutive naturals, for example, 156395515 + ... + 156747118.

It is an arithmetic number, because the mean of its divisors is an integer number (2883104231238).

Almost surely, 2^{55051101166666} is an apocalyptic number.

55051101166666 is a deficient number, since it is larger than the sum of its proper divisors (37208234232950).

55051101166666 is a wasteful number, since it uses less digits than its factorization.

55051101166666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313142838.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 55051101166666 in words is "fifty-five trillion, fifty-one billion, one hundred one million, one hundred sixty-six thousand, six hundred sixty-six".