55116827 has 2 divisors, whose sum is σ = 55116828. Its totient is φ = 55116826.

The previous prime is 55116781. The next prime is 55116829. The reversal of 55116827 is 72861155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55116827 - 2¹⁶ = 55051291 is a prime.

Together with 55116829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55116829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27558413 + 27558414.

It is an arithmetic number, because the mean of its divisors is an integer number (27558414).

Almost surely, 2^55116827 is an apocalyptic number.

55116827 is a deficient number, since it is larger than the sum of its proper divisors (1).

55116827 is an equidigital number, since it uses as much as digits as its factorization.

55116827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 55116827 is about 7424.0707836065. The cubic root of 55116827 is about 380.5643208176.

The spelling of 55116827 in words is "fifty-five million, one hundred sixteen thousand, eight hundred twenty-seven".