52065669 has 8 divisors (see below), whose sum is σ = 69724960. Its totient is φ = 34558416.

The previous prime is 52065667. The next prime is 52065691. The reversal of 52065669 is 96656025.

52065669 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 52065669 - 2¹ = 52065667 is a prime.

It is a super-2 number, since 2×52065669² = 5421667776835122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52065667) 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 7 ways as a sum of consecutive naturals, for example, 37207 + ... + 38580.

It is an arithmetic number, because the mean of its divisors is an integer number (8715620).

Almost surely, 2^52065669 is an apocalyptic number.

It is an amenable number.

52065669 is a deficient number, since it is larger than the sum of its proper divisors (17659291).

52065669 is a wasteful number, since it uses less digits than its factorization.

52065669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76019.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 52065669 is about 7215.6544401738. The cubic root of 52065669 is about 373.4081715580.

The spelling of 52065669 in words is "fifty-two million, sixty-five thousand, six hundred sixty-nine".