54101609 has 2 divisors, whose sum is σ = 54101610. Its totient is φ = 54101608.

The previous prime is 54101581. The next prime is 54101647. The reversal of 54101609 is 90610145.

54101609 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., 34987225 + 19114384 = 5915^2 + 4372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54101609 is a prime.

It is a Chen prime.

It is equal to p_3231908 and since 54101609 and 3231908 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54101669) 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, 27050804 + 27050805.

It is an arithmetic number, because the mean of its divisors is an integer number (27050805).

Almost surely, 2^54101609 is an apocalyptic number.

It is an amenable number.

54101609 is a deficient number, since it is larger than the sum of its proper divisors (1).

54101609 is an equidigital number, since it uses as much as digits as its factorization.

54101609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 54101609 is about 7355.3795959148. The cubic root of 54101609 is about 378.2132392389.

The spelling of 54101609 in words is "fifty-four million, one hundred one thousand, six hundred nine".