55582 has 4 divisors (see below), whose sum is σ = 83376. Its totient is φ = 27790.

The previous prime is 55579. The next prime is 55589. The reversal of 55582 is 28555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28555 = 5 ⋅5711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13894 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (20844).

2⁵⁵⁵⁸² is an apocalyptic number.

55582 is a deficient number, since it is larger than the sum of its proper divisors (27794).

55582 is a wasteful number, since it uses less digits than its factorization.

55582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27793.

The product of its digits is 2000, while the sum is 25.

The square root of 55582 is about 235.7583508595. The cubic root of 55582 is about 38.1631947245.

The spelling of 55582 in words is "fifty-five thousand, five hundred eighty-two".