55843 has 2 divisors, whose sum is σ = 55844. Its totient is φ = 55842.

The previous prime is 55837. The next prime is 55849. The reversal of 55843 is 34855.

It is a happy number.

55843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (55837) and next prime (55849).

It is a cyclic number.

It is not a de Polignac number, because 55843 - 2⁹ = 55331 is a prime.

It is a d-powerful number, because it can be written as 5 + 5³ + 8⁵ + 4⁷ + 3⁸ .

It is not a weakly prime, because it can be changed into another prime (55849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27921 + 27922.

It is an arithmetic number, because the mean of its divisors is an integer number (27922).

2⁵⁵⁸⁴³ is an apocalyptic number.

55843 is a deficient number, since it is larger than the sum of its proper divisors (1).

55843 is an equidigital number, since it uses as much as digits as its factorization.

55843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 55843 is about 236.3112354502. The cubic root of 55843 is about 38.2228365960. Note that the first 3 decimals are identical.

It can be divided in two parts, 55 and 843, that added together give a palindrome (898).

The spelling of 55843 in words is "fifty-five thousand, eight hundred forty-three".