55004166 has 96 divisors (see below), whose sum is σ = 142272000. Its totient is φ = 15346800.

The previous prime is 55004101. The next prime is 55004171. The reversal of 55004166 is 66140055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364191 + ... + 364341.

It is an arithmetic number, because the mean of its divisors is an integer number (1482000).

Almost surely, 2^55004166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55004166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71136000).

55004166 is an abundant number, since it is smaller than the sum of its proper divisors (87267834).

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

55004166 is a wasteful number, since it uses less digits than its factorization.

55004166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55004166 is about 7416.4793534399. The cubic root of 55004166 is about 380.3048477125.

The spelling of 55004166 in words is "fifty-five million, four thousand, one hundred sixty-six".