54223109 has 2 divisors, whose sum is σ = 54223110. Its totient is φ = 54223108.

The previous prime is 54223079. The next prime is 54223111. The reversal of 54223109 is 90132245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 494209 = 7330^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 54223109 - 2⁸ = 54222853 is a prime.

Together with 54223111, 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 (54223139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27111554 + 27111555.

It is an arithmetic number, because the mean of its divisors is an integer number (27111555).

Almost surely, 2^54223109 is an apocalyptic number.

It is an amenable number.

54223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54223109 is an equidigital number, since it uses as much as digits as its factorization.

54223109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 54223109 is about 7363.6342250277. The cubic root of 54223109 is about 378.4961547400.

The spelling of 54223109 in words is "fifty-four million, two hundred twenty-three thousand, one hundred nine".