55164166 has 16 divisors (see below), whose sum is σ = 86539104. Its totient is φ = 26323264.

The previous prime is 55164139. The next prime is 55164169. The reversal of 55164166 is 66146155.

It is a happy number.

55164166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55164169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24546 + ... + 26698.

It is an arithmetic number, because the mean of its divisors is an integer number (5408694).

Almost surely, 2^55164166 is an apocalyptic number.

55164166 is a deficient number, since it is larger than the sum of its proper divisors (31374938).

55164166 is a wasteful number, since it uses less digits than its factorization.

55164166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its digits is 21600, while the sum is 34.

The square root of 55164166 is about 7427.2583097668. The cubic root of 55164166 is about 380.6732432651.

The spelling of 55164166 in words is "fifty-five million, one hundred sixty-four thousand, one hundred sixty-six".