52666671 has 4 divisors (see below), whose sum is σ = 70222232. Its totient is φ = 35111112.

The previous prime is 52666667. The next prime is 52666687. The reversal of 52666671 is 17666625.

52666671 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 is not a de Polignac number, because 52666671 - 2² = 52666667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666631) 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 3 ways as a sum of consecutive naturals, for example, 8777776 + ... + 8777781.

It is an arithmetic number, because the mean of its divisors is an integer number (17555558).

Almost surely, 2^52666671 is an apocalyptic number.

52666671 is a deficient number, since it is larger than the sum of its proper divisors (17555561).

52666671 is a wasteful number, since it uses less digits than its factorization.

52666671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555560.

The product of its digits is 90720, while the sum is 39.

The square root of 52666671 is about 7257.1806509140. The cubic root of 52666671 is about 374.8394477155.

The spelling of 52666671 in words is "fifty-two million, six hundred sixty-six thousand, six hundred seventy-one".