55383 has 4 divisors (see below), whose sum is σ = 73848. Its totient is φ = 36920.

The previous prime is 55381. The next prime is 55399. The reversal of 55383 is 38355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55383 - 2¹ = 55381 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9228 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (18462).

2⁵⁵³⁸³ is an apocalyptic number.

55383 is a deficient number, since it is larger than the sum of its proper divisors (18465).

55383 is a wasteful number, since it uses less digits than its factorization.

55383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464.

The product of its digits is 1800, while the sum is 24.

The square root of 55383 is about 235.3359301084. The cubic root of 55383 is about 38.1175950861.

It can be divided in two parts, 553 and 83, that added together give a palindrome (636).

The spelling of 55383 in words is "fifty-five thousand, three hundred eighty-three".