53646305 has 8 divisors (see below), whose sum is σ = 68162472. Its totient is φ = 40392448.

The previous prime is 53646289. The next prime is 53646331. The reversal of 53646305 is 50364635.

53646305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1098304 + 52548001 = 1048^2 + 7249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53646305 - 2⁴ = 53646289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 315482 + ... + 315651.

It is an arithmetic number, because the mean of its divisors is an integer number (8520309).

Almost surely, 2^53646305 is an apocalyptic number.

It is an amenable number.

53646305 is a deficient number, since it is larger than the sum of its proper divisors (14516167).

53646305 is a wasteful number, since it uses less digits than its factorization.

53646305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631155.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 53646305 is about 7324.3637948971. The cubic root of 53646305 is about 377.1492700206.

It can be divided in two parts, 5364630 and 5, that added together give a palindrome (5364635).

The spelling of 53646305 in words is "fifty-three million, six hundred forty-six thousand, three hundred five".