53165633 has 4 divisors (see below), whose sum is σ = 54602580. Its totient is φ = 51728688.

The previous prime is 53165617. The next prime is 53165677. The reversal of 53165633 is 33656135.

53165633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 32581264 = 4537^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 53165633 - 2⁴ = 53165617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53165633.

It is not an unprimeable number, because it can be changed into a prime (53165533) 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 in 3 ways as a sum of consecutive naturals, for example, 718418 + ... + 718491.

It is an arithmetic number, because the mean of its divisors is an integer number (13650645).

Almost surely, 2^53165633 is an apocalyptic number.

It is an amenable number.

53165633 is a deficient number, since it is larger than the sum of its proper divisors (1436947).

53165633 is a wasteful number, since it uses less digits than its factorization.

53165633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436946.

The product of its digits is 24300, while the sum is 32.

The square root of 53165633 is about 7291.4767365740. The cubic root of 53165633 is about 376.0194671715.

The spelling of 53165633 in words is "fifty-three million, one hundred sixty-five thousand, six hundred thirty-three".