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55886 = 227943
BaseRepresentation
bin1101101001001110
32211122212
431221032
53242021
61110422
7321635
oct155116
984585
1055886
1138a96
1228412
131c58c
141651c
151185b
hexda4e

55886 has 4 divisors (see below), whose sum is σ = 83832. Its totient is φ = 27942.

The previous prime is 55871. The next prime is 55889. The reversal of 55886 is 68855.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55889) by changing a digit.

55886 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, 13970 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (20958).

255886 is an apocalyptic number.

55886 is a deficient number, since it is larger than the sum of its proper divisors (27946).

55886 is a wasteful number, since it uses less digits than its factorization.

55886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945.

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

The square root of 55886 is about 236.4021996514. The cubic root of 55886 is about 38.2326448101.

The spelling of 55886 in words is "fifty-five thousand, eight hundred eighty-six".

Divisors: 1 2 27943 55886