52040530 has 16 divisors (see below), whose sum is σ = 93826584. Its totient is φ = 20782080.

The previous prime is 52040509. The next prime is 52040561. The reversal of 52040530 is 3504025.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34892649 + 17147881 = 5907^2 + 4141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52040498 and 52040507.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2674 + ... + 10546.

Almost surely, 2^52040530 is an apocalyptic number.

52040530 is a deficient number, since it is larger than the sum of its proper divisors (41786054).

52040530 is a wasteful number, since it uses less digits than its factorization.

52040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52040530 is about 7213.9122534170. The cubic root of 52040530 is about 373.3480640092.

Adding to 52040530 its reverse (3504025), we get a palindrome (55544555).

The spelling of 52040530 in words is "fifty-two million, forty thousand, five hundred thirty".