54428609 has 2 divisors, whose sum is σ = 54428610. Its totient is φ = 54428608.

The previous prime is 54428527. The next prime is 54428629. The reversal of 54428609 is 90682445.

54428609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 6265009 = 6940^2 + 2503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54428609 is a prime.

It is not a weakly prime, because it can be changed into another prime (54428629) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214304 + 27214305.

It is an arithmetic number, because the mean of its divisors is an integer number (27214305).

Almost surely, 2^54428609 is an apocalyptic number.

It is an amenable number.

54428609 is a deficient number, since it is larger than the sum of its proper divisors (1).

54428609 is an equidigital number, since it uses as much as digits as its factorization.

54428609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 54428609 is about 7377.5747369986. The cubic root of 54428609 is about 378.9737057755.

The spelling of 54428609 in words is "fifty-four million, four hundred twenty-eight thousand, six hundred nine".