48538140 has 96 divisors (see below), whose sum is σ = 156495360. Its totient is φ = 11010816.

The previous prime is 48538109. The next prime is 48538183. The reversal of 48538140 is 4183584.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 68106 + ... + 68814.

It is an arithmetic number, because the mean of its divisors is an integer number (1630160).

Almost surely, 2^48538140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48538140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78247680).

48538140 is an abundant number, since it is smaller than the sum of its proper divisors (107957220).

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

48538140 is a wasteful number, since it uses less digits than its factorization.

48538140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 48538140 is about 6966.9318928780. The cubic root of 48538140 is about 364.7772206556. Note that the first 3 decimals are identical.

The spelling of 48538140 in words is "forty-eight million, five hundred thirty-eight thousand, one hundred forty".