52436636 has 24 divisors (see below), whose sum is σ = 111043296. Its totient is φ = 21150720.

The previous prime is 52436627. The next prime is 52436641. The reversal of 52436636 is 63663425.

It is a junction number, because it is equal to n+sod(n) for n = 52436596 and 52436605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54605 + ... + 55556.

It is an arithmetic number, because the mean of its divisors is an integer number (4626804).

Almost surely, 2^52436636 is an apocalyptic number.

It is an amenable number.

52436636 is an abundant number, since it is smaller than the sum of its proper divisors (58606660).

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

52436636 is a wasteful number, since it uses less digits than its factorization.

52436636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110189 (or 110187 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 52436636 is about 7241.3145215492. The cubic root of 52436636 is about 374.2929158864.

The spelling of 52436636 in words is "fifty-two million, four hundred thirty-six thousand, six hundred thirty-six".