52773531272 has 128 divisors (see below), whose sum is σ = 126977760000. Its totient is φ = 19961717760.

The previous prime is 52773531271. The next prime is 52773531299. The reversal of 52773531272 is 27213537725.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (52773531271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11598854 + ... + 11603402.

It is an arithmetic number, because the mean of its divisors is an integer number (992013750).

Almost surely, 2^52773531272 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 52773531272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63488880000).

52773531272 is an abundant number, since it is smaller than the sum of its proper divisors (74204228728).

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

52773531272 is a wasteful number, since it uses less digits than its factorization.

52773531272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119 (or 5115 counting only the distinct ones).

The product of its digits is 617400, while the sum is 44.

The spelling of 52773531272 in words is "fifty-two billion, seven hundred seventy-three million, five hundred thirty-one thousand, two hundred seventy-two".