65548799 has 2 divisors, whose sum is σ = 65548800. Its totient is φ = 65548798.

The previous prime is 65548789. The next prime is 65548801. The reversal of 65548799 is 99784556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65548799 - 2⁸ = 65548543 is a prime.

It is a Sophie Germain prime.

Together with 65548801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65548799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65548789) 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, 32774399 + 32774400.

It is an arithmetic number, because the mean of its divisors is an integer number (32774400).

Almost surely, 2^65548799 is an apocalyptic number.

65548799 is a deficient number, since it is larger than the sum of its proper divisors (1).

65548799 is an equidigital number, since it uses as much as digits as its factorization.

65548799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 53.

The square root of 65548799 is about 8096.2212790906. The cubic root of 65548799 is about 403.2009805625.

The spelling of 65548799 in words is "sixty-five million, five hundred forty-eight thousand, seven hundred ninety-nine".