52040512 has 14 divisors (see below), whose sum is σ = 103268018. Its totient is φ = 26020224.

The previous prime is 52040509. The next prime is 52040561. The reversal of 52040512 is 21504025.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 7096896 = 6704^2 + 2664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52040512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406503 + ... + 406630.

It is an arithmetic number, because the mean of its divisors is an integer number (7376287).

Almost surely, 2^52040512 is an apocalyptic number.

It is an amenable number.

52040512 is a deficient number, since it is larger than the sum of its proper divisors (51227506).

52040512 is an equidigital number, since it uses as much as digits as its factorization.

52040512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813145 (or 813135 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52040512 is about 7213.9110058276. The cubic root of 52040512 is about 373.3480209641.

Adding to 52040512 its reverse (21504025), we get a palindrome (73544537).

The spelling of 52040512 in words is "fifty-two million, forty thousand, five hundred twelve".