52433440 has 96 divisors (see below), whose sum is σ = 134964144. Its totient is φ = 19169280.

The previous prime is 52433419. The next prime is 52433453. The reversal of 52433440 is 4433425.

It can be written as a sum of positive squares in 8 ways, for example, as 36144144 + 16289296 = 6012^2 + 4036^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100380 + ... + 100900.

Almost surely, 2^52433440 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 52433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67482072).

52433440 is an abundant number, since it is smaller than the sum of its proper divisors (82530704).

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

52433440 is a wasteful number, since it uses less digits than its factorization.

52433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 52433440 is about 7241.0938400217. The cubic root of 52433440 is about 374.2853113784.

Adding to 52433440 its reverse (4433425), we get a palindrome (56866865).

The spelling of 52433440 in words is "fifty-two million, four hundred thirty-three thousand, four hundred forty".