52566765 has 8 divisors (see below), whose sum is σ = 84106848. Its totient is φ = 28035600.

The previous prime is 52566733. The next prime is 52566791. The reversal of 52566765 is 56766525.

It is a happy number.

52566765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52566765 - 2⁵ = 52566733 is a prime.

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, 1752211 + ... + 1752240.

It is an arithmetic number, because the mean of its divisors is an integer number (10513356).

Almost surely, 2^52566765 is an apocalyptic number.

It is an amenable number.

52566765 is a deficient number, since it is larger than the sum of its proper divisors (31540083).

52566765 is a wasteful number, since it uses less digits than its factorization.

52566765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504459.

The product of its digits is 378000, while the sum is 42.

The square root of 52566765 is about 7250.2941319646. The cubic root of 52566765 is about 374.6022805560.

It can be divided in two parts, 5256 and 6765, that added together give a palindrome (12021).

The spelling of 52566765 in words is "fifty-two million, five hundred sixty-six thousand, seven hundred sixty-five".