55849 has 2 divisors, whose sum is σ = 55850. Its totient is φ = 55848.

The previous prime is 55843. The next prime is 55871. The reversal of 55849 is 94855.

55849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53824 + 2025 = 232^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 55849 - 2⁵ = 55817 is a prime.

It is a super-2 number, since 2×55849² = 6238221602, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55849.

It is not a weakly prime, because it can be changed into another prime (55843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27924 + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (27925).

2⁵⁵⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

55849 is a deficient number, since it is larger than the sum of its proper divisors (1).

55849 is an equidigital number, since it uses as much as digits as its factorization.

55849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 55849 is about 236.3239302314. The cubic root of 55849 is about 38.2242054862.

The spelling of 55849 in words is "fifty-five thousand, eight hundred forty-nine".