52866805 has 4 divisors (see below), whose sum is σ = 63440172. Its totient is φ = 42293440.

The previous prime is 52866799. The next prime is 52866829. The reversal of 52866805 is 50866825.

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 12404484 + 40462321 = 3522^2 + 6361^2 .

It is not a de Polignac number, because 52866805 - 2⁷ = 52866677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5286676 + ... + 5286685.

It is an arithmetic number, because the mean of its divisors is an integer number (15860043).

Almost surely, 2^52866805 is an apocalyptic number.

It is an amenable number.

52866805 is a deficient number, since it is larger than the sum of its proper divisors (10573367).

52866805 is a wasteful number, since it uses less digits than its factorization.

52866805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573366.

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

The square root of 52866805 is about 7270.9562644813. The cubic root of 52866805 is about 375.3136457453.

The spelling of 52866805 in words is "fifty-two million, eight hundred sixty-six thousand, eight hundred five".