53875609 has 2 divisors, whose sum is σ = 53875610. Its totient is φ = 53875608.

The previous prime is 53875607. The next prime is 53875631. The reversal of 53875609 is 90657835.

53875609 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., 53875600 + 9 = 7340^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 53875609 - 2¹ = 53875607 is a prime.

Together with 53875607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53875607) 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, 26937804 + 26937805.

It is an arithmetic number, because the mean of its divisors is an integer number (26937805).

Almost surely, 2^53875609 is an apocalyptic number.

It is an amenable number.

53875609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53875609 is an equidigital number, since it uses as much as digits as its factorization.

53875609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 53875609 is about 7340.0006130790. Note that the first 3 decimals coincide. The cubic root of 53875609 is about 377.6858643527.

The spelling of 53875609 in words is "fifty-three million, eight hundred seventy-five thousand, six hundred nine".