48912538 has 4 divisors (see below), whose sum is σ = 73368810. Its totient is φ = 24456268.

The previous prime is 48912533. The next prime is 48912599. The reversal of 48912538 is 83521984.

48912538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 1261129 = 6903^2 + 1123^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48912538.

It is not an unprimeable number, because it can be changed into a prime (48912533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12228133 + ... + 12228136.

Almost surely, 2^48912538 is an apocalyptic number.

48912538 is a deficient number, since it is larger than the sum of its proper divisors (24456272).

48912538 is a wasteful number, since it uses less digits than its factorization.

48912538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24456271.

The product of its digits is 69120, while the sum is 40.

The square root of 48912538 is about 6993.7499240393. The cubic root of 48912538 is about 365.7127201122.

The spelling of 48912538 in words is "forty-eight million, nine hundred twelve thousand, five hundred thirty-eight".