52040352 has 288 divisors, whose sum is σ = 183399552. Its totient is φ = 12773376.

The previous prime is 52040321. The next prime is 52040371. The reversal of 52040352 is 25304025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1406478 + ... + 1406514.

It is an arithmetic number, because the mean of its divisors is an integer number (636804).

Almost surely, 2^52040352 is an apocalyptic number.

52040352 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 52040352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91699776).

52040352 is an abundant number, since it is smaller than the sum of its proper divisors (131359200).

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

52040352 is a wasteful number, since it uses less digits than its factorization.

52040352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52040352 is about 7213.8999161341. The cubic root of 52040352 is about 373.3476383408.

Adding to 52040352 its reverse (25304025), we get a palindrome (77344377).

The spelling of 52040352 in words is "fifty-two million, forty thousand, three hundred fifty-two".