52812636 has 24 divisors (see below), whose sum is σ = 123561984. Its totient is φ = 17556720.

The previous prime is 52812629. The next prime is 52812637. The reversal of 52812636 is 63621825.

It is a junction number, because it is equal to n+sod(n) for n = 52812597 and 52812606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52812637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (5148416).

Almost surely, 2^52812636 is an apocalyptic number.

It is an amenable number.

52812636 is an abundant number, since it is smaller than the sum of its proper divisors (70749348).

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

52812636 is a wasteful number, since it uses less digits than its factorization.

52812636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11881 (or 11879 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 52812636 is about 7267.2302839528. The cubic root of 52812636 is about 375.1854158630.

The spelling of 52812636 in words is "fifty-two million, eight hundred twelve thousand, six hundred thirty-six".