54569111 has 2 divisors, whose sum is σ = 54569112. Its totient is φ = 54569110.

The previous prime is 54569093. The next prime is 54569113. The reversal of 54569111 is 11196545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54569111 is a prime.

Together with 54569113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54569113) 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, 27284555 + 27284556.

It is an arithmetic number, because the mean of its divisors is an integer number (27284556).

Almost surely, 2^54569111 is an apocalyptic number.

54569111 is a deficient number, since it is larger than the sum of its proper divisors (1).

54569111 is an equidigital number, since it uses as much as digits as its factorization.

54569111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 54569111 is about 7387.0908346926. The cubic root of 54569111 is about 379.2995197993.

The spelling of 54569111 in words is "fifty-four million, five hundred sixty-nine thousand, one hundred eleven".