52666349 has 8 divisors (see below), whose sum is σ = 55024920. Its totient is φ = 50344000.

The previous prime is 52666333. The next prime is 52666379. The reversal of 52666349 is 94366625.

It can be written as a sum of positive squares in 4 ways, for example, as 39778249 + 12888100 = 6307^2 + 3590^2 .

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

It is not a de Polignac number, because 52666349 - 2⁴ = 52666333 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 (52666379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (6878115).

Almost surely, 2^52666349 is an apocalyptic number.

It is an amenable number.

52666349 is a deficient number, since it is larger than the sum of its proper divisors (2358571).

52666349 is a wasteful number, since it uses less digits than its factorization.

52666349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111.

The product of its digits is 233280, while the sum is 41.

The square root of 52666349 is about 7257.1584659562. The cubic root of 52666349 is about 374.8386838007.

The spelling of 52666349 in words is "fifty-two million, six hundred sixty-six thousand, three hundred forty-nine".