54191166 has 16 divisors (see below), whose sum is σ = 109033344. Its totient is φ = 17955224.

The previous prime is 54191161. The next prime is 54191167. The reversal of 54191166 is 66119145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54191161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26040 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (6814584).

Almost surely, 2^54191166 is an apocalyptic number.

54191166 is an abundant number, since it is smaller than the sum of its proper divisors (54842178).

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

54191166 is a wasteful number, since it uses less digits than its factorization.

54191166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54255.

The product of its digits is 6480, while the sum is 33.

The square root of 54191166 is about 7361.4649357312. The cubic root of 54191166 is about 378.4218157247.

The spelling of 54191166 in words is "fifty-four million, one hundred ninety-one thousand, one hundred sixty-six".