52306530 has 32 divisors (see below), whose sum is σ = 128931264. Its totient is φ = 13571136.

The previous prime is 52306511. The next prime is 52306543. The reversal of 52306530 is 3560325.

It is a self number, because there is not a number n which added to its sum of digits gives 52306530.

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 in 15 ways as a sum of consecutive naturals, for example, 22452 + ... + 24671.

It is an arithmetic number, because the mean of its divisors is an integer number (4029102).

Almost surely, 2^52306530 is an apocalyptic number.

52306530 is an abundant number, since it is smaller than the sum of its proper divisors (76624734).

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

52306530 is a wasteful number, since it uses less digits than its factorization.

52306530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47170.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 52306530 is about 7232.3253521948. The cubic root of 52306530 is about 373.9830937862.

Adding to 52306530 its reverse (3560325), we get a palindrome (55866855).

The spelling of 52306530 in words is "fifty-two million, three hundred six thousand, five hundred thirty".