55984 has 10 divisors (see below), whose sum is σ = 108500. Its totient is φ = 27984.

The previous prime is 55967. The next prime is 55987. The reversal of 55984 is 48955.

55984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55987) by changing a digit.

55984 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 as a sum of consecutive naturals, namely, 1734 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (10850).

2⁵⁵⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

55984 is a deficient number, since it is larger than the sum of its proper divisors (52516).

55984 is a wasteful number, since it uses less digits than its factorization.

55984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3501 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 55984 is about 236.6093827387. The cubic root of 55984 is about 38.2549796299.

Subtracting from 55984 its product of digits (7200), we obtain a palindrome (48784).

The spelling of 55984 in words is "fifty-five thousand, nine hundred eighty-four".