52135566 has 32 divisors (see below), whose sum is σ = 126178560. Its totient is φ = 14019456.

The previous prime is 52135561. The next prime is 52135571. The reversal of 52135566 is 66553125.

52135566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52135561) and next prime (52135571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135561) 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 15 ways as a sum of consecutive naturals, for example, 35796 + ... + 37223.

It is an arithmetic number, because the mean of its divisors is an integer number (3943080).

Almost surely, 2^52135566 is an apocalyptic number.

52135566 is an abundant number, since it is smaller than the sum of its proper divisors (74042994).

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

52135566 is a wasteful number, since it uses less digits than its factorization.

52135566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73048.

The product of its digits is 27000, while the sum is 33.

The square root of 52135566 is about 7220.4962433340. The cubic root of 52135566 is about 373.5751942211.

The spelling of 52135566 in words is "fifty-two million, one hundred thirty-five thousand, five hundred sixty-six".