54099109 has 2 divisors, whose sum is σ = 54099110. Its totient is φ = 54099108.

The previous prime is 54099041. The next prime is 54099119. The reversal of 54099109 is 90199045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48233025 + 5866084 = 6945^2 + 2422^2 .

It is a cyclic number.

It is not a de Polignac number, because 54099109 - 2¹¹ = 54097061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54099119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27049554 + 27049555.

It is an arithmetic number, because the mean of its divisors is an integer number (27049555).

Almost surely, 2^54099109 is an apocalyptic number.

It is an amenable number.

54099109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54099109 is an equidigital number, since it uses as much as digits as its factorization.

54099109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 54099109 is about 7355.2096503091. The cubic root of 54099109 is about 378.2074134869.

The spelling of 54099109 in words is "fifty-four million, ninety-nine thousand, one hundred nine".