52277231328 has 288 divisors, whose sum is σ = 166430726784. Its totient is φ = 14312567808.

The previous prime is 52277231311. The next prime is 52277231341. The reversal of 52277231328 is 82313277225.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 52277231328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11658975 + ... + 11663457.

It is an arithmetic number, because the mean of its divisors is an integer number (577884468).

Almost surely, 2^52277231328 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 52277231328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83215363392).

52277231328 is an abundant number, since it is smaller than the sum of its proper divisors (114153495456).

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

52277231328 is a wasteful number, since it uses less digits than its factorization.

52277231328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614 (or 4599 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The spelling of 52277231328 in words is "fifty-two billion, two hundred seventy-seven million, two hundred thirty-one thousand, three hundred twenty-eight".