48009318 has 48 divisors (see below), whose sum is σ = 113568624. Its totient is φ = 13487040.

The previous prime is 48009317. The next prime is 48009323. The reversal of 48009318 is 81390084.

It is a super-2 number, since 2×48009318² = 4609789229650248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48009317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16596 + ... + 19272.

It is an arithmetic number, because the mean of its divisors is an integer number (2366013).

Almost surely, 2^48009318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48009318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56784312).

48009318 is an abundant number, since it is smaller than the sum of its proper divisors (65559306).

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

48009318 is a wasteful number, since it uses less digits than its factorization.

48009318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 48009318 is about 6928.8756663690. The cubic root of 48009318 is about 363.4476336139.

The spelling of 48009318 in words is "forty-eight million, nine thousand, three hundred eighteen".