52530915 has 48 divisors (see below), whose sum is σ = 90525600. Its totient is φ = 26002944.

The previous prime is 52530899. The next prime is 52530923. The reversal of 52530915 is 51903525.

52530915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52530915 - 2⁴ = 52530899 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 481881 + ... + 481989.

It is an arithmetic number, because the mean of its divisors is an integer number (1885950).

Almost surely, 2^52530915 is an apocalyptic number.

52530915 is a deficient number, since it is larger than the sum of its proper divisors (37994685).

52530915 is a wasteful number, since it uses less digits than its factorization.

52530915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 52530915 is about 7247.8213968061. The cubic root of 52530915 is about 374.5171028723.

The spelling of 52530915 in words is "fifty-two million, five hundred thirty thousand, nine hundred fifteen".