52520436 has 36 divisors (see below), whose sum is σ = 133215264. Its totient is φ = 17446800.

The previous prime is 52520423. The next prime is 52520459. The reversal of 52520436 is 63402525.

52520436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 8851 + ... + 13541.

It is an arithmetic number, because the mean of its divisors is an integer number (3700424).

Almost surely, 2^52520436 is an apocalyptic number.

It is an amenable number.

52520436 is an abundant number, since it is smaller than the sum of its proper divisors (80694828).

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

52520436 is a wasteful number, since it uses less digits than its factorization.

52520436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52520436 is about 7247.0984538641. The cubic root of 52520436 is about 374.4921980094.

The spelling of 52520436 in words is "fifty-two million, five hundred twenty thousand, four hundred thirty-six".