52785911 has 4 divisors (see below), whose sum is σ = 52884024. Its totient is φ = 52687800.

The previous prime is 52785907. The next prime is 52785913. The reversal of 52785911 is 11958725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52785911 - 2² = 52785907 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 (52785913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48245 + ... + 49326.

It is an arithmetic number, because the mean of its divisors is an integer number (13221006).

Almost surely, 2^52785911 is an apocalyptic number.

52785911 is a deficient number, since it is larger than the sum of its proper divisors (98113).

52785911 is an equidigital number, since it uses as much as digits as its factorization.

52785911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98112.

The product of its digits is 25200, while the sum is 38.

The square root of 52785911 is about 7265.3913177474. The cubic root of 52785911 is about 375.1221196345.

The spelling of 52785911 in words is "fifty-two million, seven hundred eighty-five thousand, nine hundred eleven".