55704 has 32 divisors (see below), whose sum is σ = 152640. Its totient is φ = 16800.

The previous prime is 55697. The next prime is 55711. The reversal of 55704 is 40755.

55704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55697) and next prime (55711).

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

55704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 369.

It is an arithmetic number, because the mean of its divisors is an integer number (4770).

2⁵⁵⁷⁰⁴ 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 55704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76320).

55704 is an abundant number, since it is smaller than the sum of its proper divisors (96936).

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

55704 is a wasteful number, since it uses less digits than its factorization.

55704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 55704 is about 236.0169485440. The cubic root of 55704 is about 38.1910964877.

The spelling of 55704 in words is "fifty-five thousand, seven hundred four".