52621436 has 24 divisors (see below), whose sum is σ = 105957600. Its totient is φ = 22398912.

The previous prime is 52621417. The next prime is 52621441. The reversal of 52621436 is 63412625.

52621436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52621399 and 52621408.

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, 2135 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (4414900).

Almost surely, 2^52621436 is an apocalyptic number.

It is an amenable number.

52621436 is an abundant number, since it is smaller than the sum of its proper divisors (53336164).

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

52621436 is a wasteful number, since it uses less digits than its factorization.

52621436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773 (or 12771 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 52621436 is about 7254.0634130120. The cubic root of 52621436 is about 374.7321014006.

The spelling of 52621436 in words is "fifty-two million, six hundred twenty-one thousand, four hundred thirty-six".