52820268 has 24 divisors (see below), whose sum is σ = 124341168. Its totient is φ = 17450496.

The previous prime is 52820267. The next prime is 52820279. The reversal of 52820268 is 86202825.

It is a super-3 number, since 3×52820268³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52820267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18121 + ... + 20832.

It is an arithmetic number, because the mean of its divisors is an integer number (5180882).

Almost surely, 2^52820268 is an apocalyptic number.

It is an amenable number.

52820268 is an abundant number, since it is smaller than the sum of its proper divisors (71520900).

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

52820268 is a wasteful number, since it uses less digits than its factorization.

52820268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39073 (or 39071 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 52820268 is about 7267.7553618707. The cubic root of 52820268 is about 375.2034877828.

The spelling of 52820268 in words is "fifty-two million, eight hundred twenty thousand, two hundred sixty-eight".