52080660 has 72 divisors (see below), whose sum is σ = 161854056. Its totient is φ = 13547520.

The previous prime is 52080643. The next prime is 52080661. The reversal of 52080660 is 6608025.

52080660 is a `hidden beast` number, since 520 + 80 + 6 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8678916 + 43401744 = 2946^2 + 6588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52080661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3852 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (2247973).

Almost surely, 2^52080660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52080660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80927028).

52080660 is an abundant number, since it is smaller than the sum of its proper divisors (109773396).

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

52080660 is a wasteful number, since it uses less digits than its factorization.

52080660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113 (or 7108 counting only the distinct ones).

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

The square root of 52080660 is about 7216.6931485272. The cubic root of 52080660 is about 373.4440059498. Note that the first 3 decimals are identical.

Adding to 52080660 its reverse (6608025), we get a palindrome (58688685).

The spelling of 52080660 in words is "fifty-two million, eighty thousand, six hundred sixty".