52530636 has 24 divisors (see below), whose sum is σ = 122928624. Its totient is φ = 17459200.

The previous prime is 52530619. The next prime is 52530659. The reversal of 52530636 is 63603525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (5122026).

Almost surely, 2^52530636 is an apocalyptic number.

It is an amenable number.

52530636 is an abundant number, since it is smaller than the sum of its proper divisors (70397988).

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

52530636 is a wasteful number, since it uses less digits than its factorization.

52530636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761 (or 12759 counting only the distinct ones).

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

The square root of 52530636 is about 7247.8021496175. The cubic root of 52530636 is about 374.5164398313.

The spelling of 52530636 in words is "fifty-two million, five hundred thirty thousand, six hundred thirty-six".