52068820 has 12 divisors (see below), whose sum is σ = 109344564. Its totient is φ = 20827520.

The previous prime is 52068791. The next prime is 52068823. The reversal of 52068820 is 2886025.

It can be written as a sum of positive squares in 2 ways, for example, as 36796356 + 15272464 = 6066^2 + 3908^2 .

It is a super-2 number, since 2×52068820² = 5422324032384800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52068823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301701 + ... + 1301740.

It is an arithmetic number, because the mean of its divisors is an integer number (9112047).

Almost surely, 2^52068820 is an apocalyptic number.

It is an amenable number.

52068820 is an abundant number, since it is smaller than the sum of its proper divisors (57275744).

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

52068820 is a wasteful number, since it uses less digits than its factorization.

52068820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603450 (or 2603448 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 52068820 is about 7215.8727815837. The cubic root of 52068820 is about 373.4157042594.

The spelling of 52068820 in words is "fifty-two million, sixty-eight thousand, eight hundred twenty".