52806418 has 12 divisors (see below), whose sum is σ = 92141982. Its totient is φ = 22631280.

The previous prime is 52806409. The next prime is 52806433. The reversal of 52806418 is 81460825.

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 11242609 = 6447^2 + 3353^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269323 + ... + 269518.

Almost surely, 2^52806418 is an apocalyptic number.

52806418 is a deficient number, since it is larger than the sum of its proper divisors (39335564).

52806418 is a wasteful number, since it uses less digits than its factorization.

52806418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538857 (or 538850 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 52806418 is about 7266.8024605049. The cubic root of 52806418 is about 375.1706908865.

The spelling of 52806418 in words is "fifty-two million, eight hundred six thousand, four hundred eighteen".