52665250 has 48 divisors (see below), whose sum is σ = 108429048. Its totient is φ = 19140000.

The previous prime is 52665233. The next prime is 52665257. The reversal of 52665250 is 5256625.

52665250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 50651689 = 1419^2 + 7117^2 .

It is not an unprimeable number, because it can be changed into a prime (52665257) 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 23 ways as a sum of consecutive naturals, for example, 29380 + ... + 31120.

Almost surely, 2^52665250 is an apocalyptic number.

52665250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52665250 is an abundant number, since it is smaller than the sum of its proper divisors (55763798).

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

52665250 is a wasteful number, since it uses less digits than its factorization.

52665250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52665250 is about 7257.0827472201. The cubic root of 52665250 is about 374.8360765028.

The spelling of 52665250 in words is "fifty-two million, six hundred sixty-five thousand, two hundred fifty".