52805784 has 32 divisors (see below), whose sum is σ = 133254720. Its totient is φ = 17436576.

The previous prime is 52805761. The next prime is 52805789. The reversal of 52805784 is 48750825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52805789) 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, 7714 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (4164210).

Almost surely, 2^52805784 is an apocalyptic number.

It is an amenable number.

52805784 is an abundant number, since it is smaller than the sum of its proper divisors (80448936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52805784 is a wasteful number, since it uses less digits than its factorization.

52805784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679 (or 20675 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 52805784 is about 7266.7588373359. The cubic root of 52805784 is about 375.1691894328.

The spelling of 52805784 in words is "fifty-two million, eight hundred five thousand, seven hundred eighty-four".