52515006220 has 96 divisors (see below), whose sum is σ = 115909613568. Its totient is φ = 19947831552.

The previous prime is 52515006199. The next prime is 52515006239. The reversal of 52515006220 is 2260051525.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46762579 + ... + 46763701.

It is an arithmetic number, because the mean of its divisors is an integer number (1207391808).

Almost surely, 2^52515006220 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 52515006220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57954806784).

52515006220 is an abundant number, since it is smaller than the sum of its proper divisors (63394607348).

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

52515006220 is a wasteful number, since it uses less digits than its factorization.

52515006220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 52515006220 its reverse (2260051525), we get a palindrome (54775057745).

The spelling of 52515006220 in words is "fifty-two billion, five hundred fifteen million, six thousand, two hundred twenty".