52815250 has 32 divisors (see below), whose sum is σ = 104083200. Its totient is φ = 20012400.

The previous prime is 52815241. The next prime is 52815251. The reversal of 52815250 is 5251825.

52815250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52815251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 810 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (3252600).

Almost surely, 2^52815250 is an apocalyptic number.

52815250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52815250 is a deficient number, since it is larger than the sum of its proper divisors (51267950).

52815250 is a wasteful number, since it uses less digits than its factorization.

52815250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11155 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52815250 is about 7267.4101301633. The cubic root of 52815250 is about 375.1916057863.

The spelling of 52815250 in words is "fifty-two million, eight hundred fifteen thousand, two hundred fifty".