52440532 has 48 divisors (see below), whose sum is σ = 100880640. Its totient is φ = 23766912.

The previous prime is 52440511. The next prime is 52440533. The reversal of 52440532 is 23504425.

It is a junction number, because it is equal to n+sod(n) for n = 52440497 and 52440506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 189178 + ... + 189454.

It is an arithmetic number, because the mean of its divisors is an integer number (2101680).

Almost surely, 2^52440532 is an apocalyptic number.

It is an amenable number.

52440532 is a deficient number, since it is larger than the sum of its proper divisors (48440108).

52440532 is a wasteful number, since it uses less digits than its factorization.

52440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 52440532 is about 7241.5835284833. The cubic root of 52440532 is about 374.3021855447.

Adding to 52440532 its reverse (23504425), we get a palindrome (75944957).

The spelling of 52440532 in words is "fifty-two million, four hundred forty thousand, five hundred thirty-two".