55127 has 2 divisors, whose sum is σ = 55128. Its totient is φ = 55126.

The previous prime is 55117. The next prime is 55147. The reversal of 55127 is 72155.

It is an a-pointer prime, because the next prime (55147) can be obtained adding 55127 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55127 - 2¹² = 51031 is a prime.

It is a super-2 number, since 2×55127² = 6077972258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55099 and 55108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27563 + 27564.

It is an arithmetic number, because the mean of its divisors is an integer number (27564).

2⁵⁵¹²⁷ is an apocalyptic number.

55127 is a deficient number, since it is larger than the sum of its proper divisors (1).

55127 is an equidigital number, since it uses as much as digits as its factorization.

55127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 350, while the sum is 20.

The square root of 55127 is about 234.7913967759. The cubic root of 55127 is about 38.0587733164.

The spelling of 55127 in words is "fifty-five thousand, one hundred twenty-seven".