52638872 has 96 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 21373440.

The previous prime is 52638863. The next prime is 52638907. The reversal of 52638872 is 27883625.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 591404 + ... + 591492.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^52638872 is an apocalyptic number.

52638872 is a gapful number since it is divisible by the number (52) 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 52638872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60328800).

52638872 is an abundant number, since it is smaller than the sum of its proper divisors (68018728).

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

52638872 is a wasteful number, since it uses less digits than its factorization.

52638872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 162 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 52638872 is about 7255.2651226540. The cubic root of 52638872 is about 374.7734857228.

The spelling of 52638872 in words is "fifty-two million, six hundred thirty-eight thousand, eight hundred seventy-two".