53166243 has 16 divisors (see below), whose sum is σ = 76687520. Its totient is φ = 32569344.

The previous prime is 53166241. The next prime is 53166247. The reversal of 53166243 is 34266135.

It is not a de Polignac number, because 53166243 - 2¹ = 53166241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53166243.

It is not an unprimeable number, because it can be changed into a prime (53166241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5955 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (4792970).

Almost surely, 2^53166243 is an apocalyptic number.

53166243 is a deficient number, since it is larger than the sum of its proper divisors (23521277).

53166243 is a wasteful number, since it uses less digits than its factorization.

53166243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198.

The product of its digits is 12960, while the sum is 30.

The square root of 53166243 is about 7291.5185661150. The cubic root of 53166243 is about 376.0209052621.

The spelling of 53166243 in words is "fifty-three million, one hundred sixty-six thousand, two hundred forty-three".