52869888 has 72 divisors (see below), whose sum is σ = 156366000. Its totient is φ = 17620992.

The previous prime is 52869863. The next prime is 52869931. The reversal of 52869888 is 88896825.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3088 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (2171750).

Almost surely, 2^52869888 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 52869888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78183000).

52869888 is an abundant number, since it is smaller than the sum of its proper divisors (103496112).

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

52869888 is an equidigital number, since it uses as much as digits as its factorization.

52869888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674 (or 7654 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 52869888 is about 7271.1682692673. The cubic root of 52869888 is about 375.3209412462.

The spelling of 52869888 in words is "fifty-two million, eight hundred sixty-nine thousand, eight hundred eighty-eight".