52806618 has 24 divisors (see below), whose sum is σ = 114566400. Its totient is φ = 17578824.

The previous prime is 52806617. The next prime is 52806661. The reversal of 52806618 is 81660825.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52806617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16903 + ... + 19781.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^52806618 is an apocalyptic number.

52806618 is an abundant number, since it is smaller than the sum of its proper divisors (61759782).

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

52806618 is a wasteful number, since it uses less digits than its factorization.

52806618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52806618 is about 7266.8162217026. The cubic root of 52806618 is about 375.1711645287.

The spelling of 52806618 in words is "fifty-two million, eight hundred six thousand, six hundred eighteen".