52040522 has 4 divisors (see below), whose sum is σ = 78060786. Its totient is φ = 26020260.

The previous prime is 52040509. The next prime is 52040561. The reversal of 52040522 is 22504025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51681721 + 358801 = 7189^2 + 599^2 .

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52040494 and 52040503.

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 as a sum of consecutive naturals, namely, 13010129 + ... + 13010132.

Almost surely, 2^52040522 is an apocalyptic number.

52040522 is a deficient number, since it is larger than the sum of its proper divisors (26020264).

52040522 is a wasteful number, since it uses less digits than its factorization.

52040522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26020263.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 52040522 is about 7213.9116989328. The cubic root of 52040522 is about 373.3480448780.

Adding to 52040522 its reverse (22504025), we get a palindrome (74544547).

The spelling of 52040522 in words is "fifty-two million, forty thousand, five hundred twenty-two".