55841 has 4 divisors (see below), whose sum is σ = 58800. Its totient is φ = 52884.

The previous prime is 55837. The next prime is 55843. The reversal of 55841 is 14855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14855 = 5 ⋅2971.

It is a cyclic number.

It is not a de Polignac number, because 55841 - 2² = 55837 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (55843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (14700).

2⁵⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

55841 is a deficient number, since it is larger than the sum of its proper divisors (2959).

55841 is a wasteful number, since it uses less digits than its factorization.

55841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958.

The product of its digits is 800, while the sum is 23.

The square root of 55841 is about 236.3070037049. The cubic root of 55841 is about 38.2223802775. Note that the first 3 decimals are identical.

The spelling of 55841 in words is "fifty-five thousand, eight hundred forty-one".