52253643 has 16 divisors (see below), whose sum is σ = 76778240. Its totient is φ = 31407264.

The previous prime is 52253627. The next prime is 52253647. The reversal of 52253643 is 34635225.

It is not a de Polignac number, because 52253643 - 2⁴ = 52253627 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 52253643.

It is not an unprimeable number, because it can be changed into a prime (52253647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13903 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (4798640).

Almost surely, 2^52253643 is an apocalyptic number.

52253643 is a deficient number, since it is larger than the sum of its proper divisors (24524597).

52253643 is a wasteful number, since it uses less digits than its factorization.

52253643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31218.

The product of its digits is 21600, while the sum is 30.

The square root of 52253643 is about 7228.6681345874. The cubic root of 52253643 is about 373.8570068283.

Adding to 52253643 its reverse (34635225), we get a palindrome (86888868).

The spelling of 52253643 in words is "fifty-two million, two hundred fifty-three thousand, six hundred forty-three".