55684132 has 48 divisors (see below), whose sum is σ = 114670080. Its totient is φ = 23167872.

The previous prime is 55684121. The next prime is 55684159. The reversal of 55684132 is 23148655.

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 15 ways as a sum of consecutive naturals, for example, 232869 + ... + 233107.

It is an arithmetic number, because the mean of its divisors is an integer number (2388960).

Almost surely, 2^55684132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55684132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57335040).

55684132 is an abundant number, since it is smaller than the sum of its proper divisors (58985948).

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

55684132 is a wasteful number, since it uses less digits than its factorization.

55684132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 55684132 is about 7462.1801103967. The cubic root of 55684132 is about 381.8655539588.

The spelling of 55684132 in words is "fifty-five million, six hundred eighty-four thousand, one hundred thirty-two".