52122520 has 32 divisors (see below), whose sum is σ = 118933920. Its totient is φ = 20554240.

The previous prime is 52122503. The next prime is 52122533. The reversal of 52122520 is 2522125.

52122520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 12016.

It is an arithmetic number, because the mean of its divisors is an integer number (3716685).

Almost surely, 2^52122520 is an apocalyptic number.

It is an amenable number.

52122520 is an abundant number, since it is smaller than the sum of its proper divisors (66811400).

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

52122520 is a wasteful number, since it uses less digits than its factorization.

52122520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18435 (or 18431 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52122520 is about 7219.5927863003. The cubic root of 52122520 is about 373.5440314344.

Adding to 52122520 its reverse (2522125), we get a palindrome (54644645).

The spelling of 52122520 in words is "fifty-two million, one hundred twenty-two thousand, five hundred twenty".