52510420 has 12 divisors (see below), whose sum is σ = 110271924. Its totient is φ = 21004160.

The previous prime is 52510411. The next prime is 52510427. The reversal of 52510420 is 2401525.

52510420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12517444 + 39992976 = 3538^2 + 6324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52510427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1312741 + ... + 1312780.

It is an arithmetic number, because the mean of its divisors is an integer number (9189327).

Almost surely, 2^52510420 is an apocalyptic number.

It is an amenable number.

52510420 is an abundant number, since it is smaller than the sum of its proper divisors (57761504).

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

52510420 is a wasteful number, since it uses less digits than its factorization.

52510420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625530 (or 2625528 counting only the distinct ones).

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

The square root of 52510420 is about 7246.4073857326. The cubic root of 52510420 is about 374.4683904365.

Adding to 52510420 its reverse (2401525), we get a palindrome (54911945).

The spelling of 52510420 in words is "fifty-two million, five hundred ten thousand, four hundred twenty".