55727166 has 16 divisors (see below), whose sum is σ = 121586688. Its totient is φ = 16887000.

The previous prime is 55727149. The next prime is 55727167. The reversal of 55727166 is 66172755.

55727166 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 (55727167) 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, 422110 + ... + 422241.

It is an arithmetic number, because the mean of its divisors is an integer number (7599168).

Almost surely, 2^55727166 is an apocalyptic number.

55727166 is an abundant number, since it is smaller than the sum of its proper divisors (65859522).

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

55727166 is a wasteful number, since it uses less digits than its factorization.

55727166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844367.

The product of its digits is 88200, while the sum is 39.

The square root of 55727166 is about 7465.0630271954. The cubic root of 55727166 is about 381.9639001731.

The spelling of 55727166 in words is "fifty-five million, seven hundred twenty-seven thousand, one hundred sixty-six".