52530156 has 108 divisors (see below), whose sum is σ = 156564408. Its totient is φ = 14805504.

The previous prime is 52530139. The next prime is 52530199. The reversal of 52530156 is 65103525.

52530156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 170955 + ... + 171261.

Almost surely, 2^52530156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52530156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78282204).

52530156 is an abundant number, since it is smaller than the sum of its proper divisors (104034252).

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

52530156 is a wasteful number, since it uses less digits than its factorization.

52530156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 52530156 is about 7247.7690360552. The cubic root of 52530156 is about 374.5152991100.

The spelling of 52530156 in words is "fifty-two million, five hundred thirty thousand, one hundred fifty-six".