53927609 has 2 divisors, whose sum is σ = 53927610. Its totient is φ = 53927608.

The previous prime is 53927581. The next prime is 53927623. The reversal of 53927609 is 90672935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 7728400 = 6797^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 53927609 - 2⁸ = 53927353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53927309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26963804 + 26963805.

It is an arithmetic number, because the mean of its divisors is an integer number (26963805).

Almost surely, 2^53927609 is an apocalyptic number.

It is an amenable number.

53927609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53927609 is an equidigital number, since it uses as much as digits as its factorization.

53927609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 53927609 is about 7343.5419927988. The cubic root of 53927609 is about 377.8073376876.

The spelling of 53927609 in words is "fifty-three million, nine hundred twenty-seven thousand, six hundred nine".