55982 has 8 divisors (see below), whose sum is σ = 87696. Its totient is φ = 26752.

The previous prime is 55967. The next prime is 55987. The reversal of 55982 is 28955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55982.

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

55982 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 3 ways as a sum of consecutive naturals, for example, 563 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (10962).

2⁵⁵⁹⁸² is an apocalyptic number.

55982 is a deficient number, since it is larger than the sum of its proper divisors (31714).

55982 is a wasteful number, since it uses less digits than its factorization.

55982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its digits is 3600, while the sum is 29.

The square root of 55982 is about 236.6051563259. The cubic root of 55982 is about 38.2545240779.

The spelling of 55982 in words is "fifty-five thousand, nine hundred eighty-two".