52440052 has 12 divisors (see below), whose sum is σ = 104880160. Its totient is φ = 22474296.

The previous prime is 52440007. The next prime is 52440067. The reversal of 52440052 is 25004425.

52440052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936402 + ... + 936457.

Almost surely, 2^52440052 is an apocalyptic number.

It is an amenable number.

52440052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52440052 is a wasteful number, since it uses less digits than its factorization.

52440052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872870 (or 1872868 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52440052 is about 7241.5503864849. The cubic root of 52440052 is about 374.3010435171.

Adding to 52440052 its reverse (25004425), we get a palindrome (77444477).

The spelling of 52440052 in words is "fifty-two million, four hundred forty thousand, fifty-two".