52881768 has 64 divisors (see below), whose sum is σ = 150048000. Its totient is φ = 17248896.

The previous prime is 52881767. The next prime is 52881779. The reversal of 52881768 is 86718825.

52881768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7548 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (2344500).

Almost surely, 2^52881768 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 52881768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75024000).

52881768 is an abundant number, since it is smaller than the sum of its proper divisors (97166232).

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

52881768 is a wasteful number, since it uses less digits than its factorization.

52881768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271 (or 5261 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 52881768 is about 7271.9851484997. The cubic root of 52881768 is about 375.3490510016.

It can be divided in two parts, 5288 and 1768, that added together give a square (7056 = 84²).

The spelling of 52881768 in words is "fifty-two million, eight hundred eighty-one thousand, seven hundred sixty-eight".