52520452 has 6 divisors (see below), whose sum is σ = 91910798. Its totient is φ = 26260224.

The previous prime is 52520423. The next prime is 52520459. The reversal of 52520452 is 25402525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 17189316 = 5944^2 + 4146^2 .

It is not an unprimeable number, because it can be changed into a prime (52520459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565053 + ... + 6565060.

Almost surely, 2^52520452 is an apocalyptic number.

It is an amenable number.

52520452 is a deficient number, since it is larger than the sum of its proper divisors (39390346).

52520452 is a wasteful number, since it uses less digits than its factorization.

52520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130117 (or 13130115 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52520452 is about 7247.0995577541. The cubic root of 52520452 is about 374.4922360383.

Adding to 52520452 its reverse (25402525), we get a palindrome (77922977).

The spelling of 52520452 in words is "fifty-two million, five hundred twenty thousand, four hundred fifty-two".