52405230 has 32 divisors (see below), whose sum is σ = 132393600. Its totient is φ = 13239072.

The previous prime is 52405229. The next prime is 52405253. The reversal of 52405230 is 3250425.

It is a junction number, because it is equal to n+sod(n) for n = 52405197 and 52405206.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 45400 + ... + 46539.

It is an arithmetic number, because the mean of its divisors is an integer number (4137300).

Almost surely, 2^52405230 is an apocalyptic number.

52405230 is an abundant number, since it is smaller than the sum of its proper divisors (79988370).

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

52405230 is a wasteful number, since it uses less digits than its factorization.

52405230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91968.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52405230 is about 7239.1456678257. The cubic root of 52405230 is about 374.2181755788.

Adding to 52405230 its reverse (3250425), we get a palindrome (55655655).

The spelling of 52405230 in words is "fifty-two million, four hundred five thousand, two hundred thirty".