54447109 has 2 divisors, whose sum is σ = 54447110. Its totient is φ = 54447108.

The previous prime is 54447101. The next prime is 54447121. The reversal of 54447109 is 90174445.

54447109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 16378209 = 6170^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 54447109 - 2³ = 54447101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54447101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27223554 + 27223555.

It is an arithmetic number, because the mean of its divisors is an integer number (27223555).

Almost surely, 2^54447109 is an apocalyptic number.

It is an amenable number.

54447109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54447109 is an equidigital number, since it uses as much as digits as its factorization.

54447109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54447109 is about 7378.8284300423. The cubic root of 54447109 is about 379.0166379730.

The spelling of 54447109 in words is "fifty-four million, four hundred forty-seven thousand, one hundred nine".