53635868 has 36 divisors (see below), whose sum is σ = 110893608. Its totient is φ = 22501440.

The previous prime is 53635861. The next prime is 53635871. The reversal of 53635868 is 86853635.

53635868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53635868² = 5753612672226848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53635861) 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 11 ways as a sum of consecutive naturals, for example, 3830 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (3080378).

Almost surely, 2^53635868 is an apocalyptic number.

It is an amenable number.

53635868 is an abundant number, since it is smaller than the sum of its proper divisors (57257740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53635868 is a wasteful number, since it uses less digits than its factorization.

53635868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254 (or 7239 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 53635868 is about 7323.6512751496. The cubic root of 53635868 is about 377.1248100431.

The spelling of 53635868 in words is "fifty-three million, six hundred thirty-five thousand, eight hundred sixty-eight".