52786805 has 8 divisors (see below), whose sum is σ = 63484344. Its totient is φ = 42136000.

The previous prime is 52786801. The next prime is 52786829. The reversal of 52786805 is 50868725.

It can be written as a sum of positive squares in 4 ways, for example, as 14730244 + 38056561 = 3838^2 + 6169^2 .

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

It is not a de Polignac number, because 52786805 - 2² = 52786801 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 (52786801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9146 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (7935543).

Almost surely, 2^52786805 is an apocalyptic number.

It is an amenable number.

52786805 is a deficient number, since it is larger than the sum of its proper divisors (10697539).

52786805 is a wasteful number, since it uses less digits than its factorization.

52786805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23367.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 52786805 is about 7265.4528420464. The cubic root of 52786805 is about 375.1242373542.

The spelling of 52786805 in words is "fifty-two million, seven hundred eighty-six thousand, eight hundred five".