52525330 has 64 divisors (see below), whose sum is σ = 115976448. Its totient is φ = 16853760.

The previous prime is 52525327. The next prime is 52525339. The reversal of 52525330 is 3352525.

It is a junction number, because it is equal to n+sod(n) for n = 52525295 and 52525304.

It is not an unprimeable number, because it can be changed into a prime (52525339) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32092 + ... + 33688.

It is an arithmetic number, because the mean of its divisors is an integer number (1812132).

Almost surely, 2^52525330 is an apocalyptic number.

52525330 is an abundant number, since it is smaller than the sum of its proper divisors (63451118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52525330 is a wasteful number, since it uses less digits than its factorization.

52525330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 52525330 is about 7247.4360983730. The cubic root of 52525330 is about 374.5038297223.

Adding to 52525330 its reverse (3352525), we get a palindrome (55877855).

The spelling of 52525330 in words is "fifty-two million, five hundred twenty-five thousand, three hundred thirty".