55596 has 24 divisors (see below), whose sum is σ = 134064. Its totient is φ = 17920.

The previous prime is 55589. The next prime is 55603. The reversal of 55596 is 69555.

It is a happy number.

55596 is digitally balanced in base 2 and base 4, because in such bases 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 (55589) and next prime (55603).

It is an unprimeable number.

55596 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, 436 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (5586).

2⁵⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

55596 is an abundant number, since it is smaller than the sum of its proper divisors (78468).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67032).

55596 is a wasteful number, since it uses less digits than its factorization.

55596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

The square root of 55596 is about 235.7880404092. The cubic root of 55596 is about 38.1663986387.

It can be divided in two parts, 5559 and 6, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 55596 in words is "fifty-five thousand, five hundred ninety-six".