48908138 has 8 divisors (see below), whose sum is σ = 73786788. Its totient is φ = 24312544.

The previous prime is 48908131. The next prime is 48908149. The reversal of 48908138 is 83180984.

It can be written as a sum of positive squares in 2 ways, for example, as 40538689 + 8369449 = 6367^2 + 2893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 48908095 and 48908104.

It is not an unprimeable number, because it can be changed into a prime (48908131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70331 + ... + 71022.

Almost surely, 2^48908138 is an apocalyptic number.

48908138 is a deficient number, since it is larger than the sum of its proper divisors (24878650).

48908138 is a wasteful number, since it uses less digits than its factorization.

48908138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141528.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 48908138 is about 6993.4353503840. The cubic root of 48908138 is about 365.7017537064.

The spelling of 48908138 in words is "forty-eight million, nine hundred eight thousand, one hundred thirty-eight".