52560545220 has 72 divisors (see below), whose sum is σ = 165338619264. Its totient is φ = 14016144096.

The previous prime is 52560545201. The next prime is 52560545221. The reversal of 52560545220 is 2254506525.

52560545220 is a `hidden beast` number, since 5 + 2 + 5 + 605 + 45 + 2 + 2 + 0 = 666.

It is a super-2 number, since 2×52560545220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52560545221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5402604 + ... + 5412323.

It is an arithmetic number, because the mean of its divisors is an integer number (2296369712).

Almost surely, 2^52560545220 is an apocalyptic number.

It is an amenable number.

52560545220 is an abundant number, since it is smaller than the sum of its proper divisors (112778074044).

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

52560545220 is a wasteful number, since it uses less digits than its factorization.

52560545220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814951 (or 10814937 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 52560545220 in words is "fifty-two billion, five hundred sixty million, five hundred forty-five thousand, two hundred twenty".