52671565 has 4 divisors (see below), whose sum is σ = 63205884. Its totient is φ = 42137248.

The previous prime is 52671557. The next prime is 52671583. The reversal of 52671565 is 56517625.

52671565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35081929 + 17589636 = 5923^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 52671565 - 2³ = 52671557 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 5267152 + ... + 5267161.

It is an arithmetic number, because the mean of its divisors is an integer number (15801471).

Almost surely, 2^52671565 is an apocalyptic number.

It is an amenable number.

52671565 is a deficient number, since it is larger than the sum of its proper divisors (10534319).

52671565 is a wasteful number, since it uses less digits than its factorization.

52671565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534318.

The product of its digits is 63000, while the sum is 37.

The square root of 52671565 is about 7257.5178263646. The cubic root of 52671565 is about 374.8510578882.

The spelling of 52671565 in words is "fifty-two million, six hundred seventy-one thousand, five hundred sixty-five".