55832166 has 48 divisors (see below), whose sum is σ = 135115344. Its totient is φ = 17177184.

The previous prime is 55832143. The next prime is 55832167. The reversal of 55832166 is 66123855.

It is a self number, because there is not a number n which added to its sum of digits gives 55832166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55832167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1900 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (2814903).

Almost surely, 2^55832166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55832166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67557672).

55832166 is an abundant number, since it is smaller than the sum of its proper divisors (79283178).

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

55832166 is a wasteful number, since it uses less digits than its factorization.

55832166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867 (or 8855 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 55832166 is about 7472.0924780144. The cubic root of 55832166 is about 382.2036458820.

The spelling of 55832166 in words is "fifty-five million, eight hundred thirty-two thousand, one hundred sixty-six".