48889920 has 112 divisors (see below), whose sum is σ = 156837888. Its totient is φ = 12902400.

The previous prime is 48889891. The next prime is 48889921. The reversal of 48889920 is 2998884.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 48889920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48889921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121720 + ... + 122120.

Almost surely, 2^48889920 is an apocalyptic number.

48889920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78418944).

48889920 is an abundant number, since it is smaller than the sum of its proper divisors (107947968).

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

48889920 is a wasteful number, since it uses less digits than its factorization.

48889920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 48889920 is about 6992.1327218525. The cubic root of 48889920 is about 365.6563408009.

The spelling of 48889920 in words is "forty-eight million, eight hundred eighty-nine thousand, nine hundred twenty".