52425530 has 16 divisors (see below), whose sum is σ = 94615560. Its totient is φ = 20914752.

The previous prime is 52425521. The next prime is 52425553. The reversal of 52425530 is 3552425.

It can be written as a sum of positive squares in 4 ways, for example, as 40056241 + 12369289 = 6329^2 + 3517^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52425530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849 + ... + 10628.

Almost surely, 2^52425530 is an apocalyptic number.

52425530 is a deficient number, since it is larger than the sum of its proper divisors (42190030).

52425530 is a wasteful number, since it uses less digits than its factorization.

52425530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 52425530 is about 7240.5476312224. The cubic root of 52425530 is about 374.2664891299.

Adding to 52425530 its reverse (3552425), we get a palindrome (55977955).

The spelling of 52425530 in words is "fifty-two million, four hundred twenty-five thousand, five hundred thirty".