52681320 has 64 divisors (see below), whose sum is σ = 175608000. Its totient is φ = 14048064.

The previous prime is 52681309. The next prime is 52681327. The reversal of 52681320 is 2318625.

52681320 is a `hidden beast` number, since 526 + 8 + 132 + 0 = 666.

52681320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52681327) 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, 23310 + ... + 25469.

It is an arithmetic number, because the mean of its divisors is an integer number (2743875).

Almost surely, 2^52681320 is an apocalyptic number.

It is an amenable number.

52681320 is an abundant number, since it is smaller than the sum of its proper divisors (122926680).

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

52681320 is a wasteful number, since it uses less digits than its factorization.

52681320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48799 (or 48789 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52681320 is about 7258.1898569822. The cubic root of 52681320 is about 374.8741978015.

Adding to 52681320 its reverse (2318625), we get a palindrome (54999945).

The spelling of 52681320 in words is "fifty-two million, six hundred eighty-one thousand, three hundred twenty".