55868 has 6 divisors (see below), whose sum is σ = 97776. Its totient is φ = 27932.

The previous prime is 55849. The next prime is 55871. The reversal of 55868 is 86855.

It is a congruent number.

It is an unprimeable number.

55868 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, 6980 + ... + 6987.

It is an arithmetic number, because the mean of its divisors is an integer number (16296).

2⁵⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

55868 is a deficient number, since it is larger than the sum of its proper divisors (41908).

55868 is a wasteful number, since it uses less digits than its factorization.

55868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971 (or 13969 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 55868 is about 236.3641258736. The cubic root of 55868 is about 38.2285396585.

It can be divided in two parts, 558 and 68, that added together give a palindrome (626).

The spelling of 55868 in words is "fifty-five thousand, eight hundred sixty-eight".