52686805 has 8 divisors (see below), whose sum is σ = 63280512. Its totient is φ = 42111888.

The previous prime is 52686797. The next prime is 52686817. The reversal of 52686805 is 50868625.

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

It is a cyclic number.

It is not a de Polignac number, because 52686805 - 2³ = 52686797 is a prime.

It is a super-2 number, since 2×52686805² = 5551798842216050, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (7910064).

Almost surely, 2^52686805 is an apocalyptic number.

It is an amenable number.

52686805 is a deficient number, since it is larger than the sum of its proper divisors (10593707).

52686805 is a wasteful number, since it uses less digits than its factorization.

52686805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 52686805 is about 7258.5676961781. The cubic root of 52686805 is about 374.8872075592.

The spelling of 52686805 in words is "fifty-two million, six hundred eighty-six thousand, eight hundred five".