52560840 has 64 divisors (see below), whose sum is σ = 165988800. Its totient is φ = 13277952.

The previous prime is 52560791. The next prime is 52560853. The reversal of 52560840 is 4806525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52560798 and 52560807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (2593575).

Almost surely, 2^52560840 is an apocalyptic number.

It is an amenable number.

52560840 is an abundant number, since it is smaller than the sum of its proper divisors (113427960).

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

52560840 is a wasteful number, since it uses less digits than its factorization.

52560840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086 (or 23082 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 52560840 is about 7249.8855163375. The cubic root of 52560840 is about 374.5882057446.

The spelling of 52560840 in words is "fifty-two million, five hundred sixty thousand, eight hundred forty".