27551 is a member of OEIS A096342: primes of the form p*q + p + q, where p and q are two successive primes, here p=163 and q=167.

The sequence can be generated as follows (permalink):

INPUT

L=[]

for p in prime_range(200):

  number=p*next_prime(p)+ p + next_prime(p)

  if number <40000 and is_prime(number):

    L.append(number)

    if number==27551:

      print(p,next_prime(p))

print(L)

OUTPUT

163 167

[11, 23, 47, 167, 251, 359, 479, 719, 1847, 2111, 2591, 3719, 6719, 7559, 8819, 10607, 12539, 14591, 19319, 27551, 29231, 31319]

27551 is a Sophie Germain prime.

27551 is a distance of 30 from the next prime (27581) that is also a Sophie Germain prime.

27551 has a product of digits of 350 and 27551 + 350 = 27901 which is a prime number

27551 can be rendered as a digit equation as follows:

2 + 7 = 5 + 5 - 1