52730618952 has 128 divisors (see below), whose sum is σ = 147292992000. Its totient is φ = 15592765440.

The previous prime is 52730618939. The next prime is 52730618957. The reversal of 52730618952 is 25981603725.

It is a super-3 number, since 3×52730618952³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (52730618957) 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 31 ways as a sum of consecutive naturals, for example, 21442699 + ... + 21445157.

It is an arithmetic number, because the mean of its divisors is an integer number (1150726500).

Almost surely, 2^52730618952 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 52730618952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73646496000).

52730618952 is an abundant number, since it is smaller than the sum of its proper divisors (94562373048).

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

52730618952 is a wasteful number, since it uses less digits than its factorization.

52730618952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 52730618952 in words is "fifty-two billion, seven hundred thirty million, six hundred eighteen thousand, nine hundred fifty-two".