54617309 has 2 divisors, whose sum is σ = 54617310. Its totient is φ = 54617308.

The previous prime is 54617287. The next prime is 54617323. The reversal of 54617309 is 90371645.

54617309 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., 54096025 + 521284 = 7355^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 54617309 - 2⁸ = 54617053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54617369) 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, 27308654 + 27308655.

It is an arithmetic number, because the mean of its divisors is an integer number (27308655).

Almost surely, 2^54617309 is an apocalyptic number.

It is an amenable number.

54617309 is a deficient number, since it is larger than the sum of its proper divisors (1).

54617309 is an equidigital number, since it uses as much as digits as its factorization.

54617309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 54617309 is about 7390.3524273204. The cubic root of 54617309 is about 379.4111586502.

The spelling of 54617309 in words is "fifty-four million, six hundred seventeen thousand, three hundred nine".