52509500 has 24 divisors (see below), whose sum is σ = 114681840. Its totient is φ = 21003600.

The previous prime is 52509487. The next prime is 52509511. The reversal of 52509500 is 590525.

52509500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52509500.

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 7 ways as a sum of consecutive naturals, for example, 52010 + ... + 53009.

It is an arithmetic number, because the mean of its divisors is an integer number (4778410).

Almost surely, 2^52509500 is an apocalyptic number.

52509500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52509500 is an abundant number, since it is smaller than the sum of its proper divisors (62172340).

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

52509500 is a wasteful number, since it uses less digits than its factorization.

52509500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105038 (or 105026 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 52509500 is about 7246.3439057224. The cubic root of 52509500 is about 374.4662034869.

The spelling of 52509500 in words is "fifty-two million, five hundred nine thousand, five hundred".