55111027 has 2 divisors, whose sum is σ = 55111028. Its totient is φ = 55111026.

The previous prime is 55111009. The next prime is 55111033. The reversal of 55111027 is 72011155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55111027 - 2⁷ = 55110899 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55110989 and 55111007.

It is not a weakly prime, because it can be changed into another prime (55111327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555513 + 27555514.

It is an arithmetic number, because the mean of its divisors is an integer number (27555514).

Almost surely, 2^55111027 is an apocalyptic number.

55111027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55111027 is an equidigital number, since it uses as much as digits as its factorization.

55111027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 55111027 is about 7423.6801520540. The cubic root of 55111027 is about 380.5509712919.

The spelling of 55111027 in words is "fifty-five million, one hundred eleven thousand, twenty-seven".