54405166 has 32 divisors (see below), whose sum is σ = 87635520. Its totient is φ = 25276416.

The previous prime is 54405163. The next prime is 54405173. The reversal of 54405166 is 66150445.

54405166 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 (54405163) 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 15 ways as a sum of consecutive naturals, for example, 397050 + ... + 397186.

It is an arithmetic number, because the mean of its divisors is an integer number (2738610).

Almost surely, 2^54405166 is an apocalyptic number.

54405166 is a deficient number, since it is larger than the sum of its proper divisors (33230354).

54405166 is a wasteful number, since it uses less digits than its factorization.

54405166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 54405166 is about 7375.9857646283. The cubic root of 54405166 is about 378.9192885823.

The spelling of 54405166 in words is "fifty-four million, four hundred five thousand, one hundred sixty-six".