52643635 has 16 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 37635040.

The previous prime is 52643629. The next prime is 52643639. The reversal of 52643635 is 53634625.

52643635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52643635 - 2³ = 52643627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52643635.

It is not an unprimeable number, because it can be changed into a prime (52643639) 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 15 ways as a sum of consecutive naturals, for example, 4867 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^52643635 is an apocalyptic number.

52643635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52643635 is a deficient number, since it is larger than the sum of its proper divisors (17444045).

52643635 is a wasteful number, since it uses less digits than its factorization.

52643635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16298.

The product of its digits is 64800, while the sum is 34.

The square root of 52643635 is about 7255.5933596088. The cubic root of 52643635 is about 374.7847891076.

The spelling of 52643635 in words is "fifty-two million, six hundred forty-three thousand, six hundred thirty-five".