52889328 has 80 divisors (see below), whose sum is σ = 158442240. Its totient is φ = 16860096.

The previous prime is 52889323. The next prime is 52889339. The reversal of 52889328 is 82398825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52889321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (1980528).

Almost surely, 2^52889328 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 52889328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79221120).

52889328 is an abundant number, since it is smaller than the sum of its proper divisors (105552912).

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

52889328 is a wasteful number, since it uses less digits than its factorization.

52889328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363 (or 5351 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 52889328 is about 7272.5049329650. The cubic root of 52889328 is about 375.3669368358.

The spelling of 52889328 in words is "fifty-two million, eight hundred eighty-nine thousand, three hundred twenty-eight".