53302566 has 16 divisors (see below), whose sum is σ = 106808688. Its totient is φ = 17733600.

The previous prime is 53302553. The next prime is 53302597. The reversal of 53302566 is 66520335.

53302566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent 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, 4965 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (6675543).

Almost surely, 2^53302566 is an apocalyptic number.

53302566 is an abundant number, since it is smaller than the sum of its proper divisors (53506122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53302566 is a wasteful number, since it uses less digits than its factorization.

53302566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 53302566 is about 7300.8606341992. The cubic root of 53302566 is about 376.3420147061.

The spelling of 53302566 in words is "fifty-three million, three hundred two thousand, five hundred sixty-six".