53143635 has 16 divisors (see below), whose sum is σ = 86196384. Its totient is φ = 27954432.

The previous prime is 53143567. The next prime is 53143637. The reversal of 53143635 is 53634135.

It is a happy number.

53143635 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 53143635 - 2¹⁰ = 53142611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53143637) 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, 23172 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (5387274).

Almost surely, 2^53143635 is an apocalyptic number.

53143635 is a deficient number, since it is larger than the sum of its proper divisors (33052749).

53143635 is a wasteful number, since it uses less digits than its factorization.

53143635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48614.

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

The square root of 53143635 is about 7289.9681069261. The cubic root of 53143635 is about 375.9675989697.

The spelling of 53143635 in words is "fifty-three million, one hundred forty-three thousand, six hundred thirty-five".