52881500 has 96 divisors (see below), whose sum is σ = 136805760. Its totient is φ = 17472000.

The previous prime is 52881487. The next prime is 52881511. The reversal of 52881500 is 518825.

52881500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 101240 + ... + 101760.

It is an arithmetic number, because the mean of its divisors is an integer number (1425060).

Almost surely, 2^52881500 is an apocalyptic number.

52881500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52881500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68402880).

52881500 is an abundant number, since it is smaller than the sum of its proper divisors (83924260).

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

52881500 is a wasteful number, since it uses less digits than its factorization.

52881500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 52881500 is about 7271.9667215960. The cubic root of 52881500 is about 375.3484169222.

It can be divided in two parts, 528 and 81500, that added together give a palindrome (82028).

The spelling of 52881500 in words is "fifty-two million, eight hundred eighty-one thousand, five hundred".