48945618 has 54 divisors (see below), whose sum is σ = 113827311. Its totient is φ = 15197184.

The previous prime is 48945613. The next prime is 48945629. The reversal of 48945618 is 81654984.

48945618 is a `hidden beast` number, since 4 + 89 + 4 + 561 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 35964009 + 12981609 = 5997^2 + 3603^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4947.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48945613) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 504546 + ... + 504642.

Almost surely, 2^48945618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48945618

48945618 is an abundant number, since it is smaller than the sum of its proper divisors (64881693).

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

48945618 is a wasteful number, since it uses less digits than its factorization.

48945618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 119 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 48945618 is about 6996.1144930597. The cubic root of 48945618 is about 365.7951464936.

The spelling of 48945618 in words is "forty-eight million, nine hundred forty-five thousand, six hundred eighteen".