53566236 has 18 divisors (see below), whose sum is σ = 135403632. Its totient is φ = 17855400.

The previous prime is 53566211. The next prime is 53566237. The reversal of 53566236 is 63266535.

53566236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1487951 = 53566236 / (5 + 3 + 5 + 6 + 6 + 2 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 53566236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566237) 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 5 ways as a sum of consecutive naturals, for example, 743940 + ... + 744011.

It is an arithmetic number, because the mean of its divisors is an integer number (7522424).

Almost surely, 2^53566236 is an apocalyptic number.

It is an amenable number.

53566236 is an abundant number, since it is smaller than the sum of its proper divisors (81837396).

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

53566236 is a wasteful number, since it uses less digits than its factorization.

53566236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487961 (or 1487956 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 53566236 is about 7318.8958183595. The cubic root of 53566236 is about 376.9615404014.

The spelling of 53566236 in words is "fifty-three million, five hundred sixty-six thousand, two hundred thirty-six".