55839166 has 4 divisors (see below), whose sum is σ = 83758752. Its totient is φ = 27919582.

The previous prime is 55839151. The next prime is 55839167. The reversal of 55839166 is 66193855.

55839166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55839167) 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 as a sum of consecutive naturals, namely, 13959790 + ... + 13959793.

It is an arithmetic number, because the mean of its divisors is an integer number (20939688).

Almost surely, 2^55839166 is an apocalyptic number.

55839166 is a deficient number, since it is larger than the sum of its proper divisors (27919586).

55839166 is a wasteful number, since it uses less digits than its factorization.

55839166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27919585.

The product of its digits is 194400, while the sum is 43.

The square root of 55839166 is about 7472.5608729538. The cubic root of 55839166 is about 382.2196182381.

The spelling of 55839166 in words is "fifty-five million, eight hundred thirty-nine thousand, one hundred sixty-six".