52821268 has 12 divisors (see below), whose sum is σ = 92523060. Its totient is φ = 26386112.

The previous prime is 52821257. The next prime is 52821269. The reversal of 52821268 is 86212825.

It can be written as a sum of positive squares in 2 ways, for example, as 14653584 + 38167684 = 3828^2 + 6178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52821269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763 + ... + 10306.

It is an arithmetic number, because the mean of its divisors is an integer number (7710255).

Almost surely, 2^52821268 is an apocalyptic number.

It is an amenable number.

52821268 is a deficient number, since it is larger than the sum of its proper divisors (39701792).

52821268 is a wasteful number, since it uses less digits than its factorization.

52821268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266 (or 12264 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 52821268 is about 7267.8241585773. The cubic root of 52821268 is about 375.2058555679.

The spelling of 52821268 in words is "fifty-two million, eight hundred twenty-one thousand, two hundred sixty-eight".