52388472 has 64 divisors (see below), whose sum is σ = 139075200. Its totient is φ = 16398720.

The previous prime is 52388461. The next prime is 52388477. The reversal of 52388472 is 27488325.

It is a self number, because there is not a number n which added to its sum of digits gives 52388472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52388477) 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, 59298 + ... + 60174.

It is an arithmetic number, because the mean of its divisors is an integer number (2173050).

Almost surely, 2^52388472 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 52388472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69537600).

52388472 is an abundant number, since it is smaller than the sum of its proper divisors (86686728).

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

52388472 is a wasteful number, since it uses less digits than its factorization.

52388472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1032 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 52388472 is about 7237.9881182550. The cubic root of 52388472 is about 374.1782825073.

The spelling of 52388472 in words is "fifty-two million, three hundred eighty-eight thousand, four hundred seventy-two".