52530436 has 24 divisors (see below), whose sum is σ = 109630080. Its totient is φ = 21533952.

The previous prime is 52530419. The next prime is 52530437. The reversal of 52530436 is 63403525.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (52530437) 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, 40141 + ... + 41428.

It is an arithmetic number, because the mean of its divisors is an integer number (4567920).

Almost surely, 2^52530436 is an apocalyptic number.

It is an amenable number.

52530436 is an abundant number, since it is smaller than the sum of its proper divisors (57099644).

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

52530436 is a wasteful number, since it uses less digits than its factorization.

52530436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81603 (or 81601 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 52530436 is about 7247.7883523182. The cubic root of 52530436 is about 374.5159645316.

The spelling of 52530436 in words is "fifty-two million, five hundred thirty thousand, four hundred thirty-six".