48539578 has 4 divisors (see below), whose sum is σ = 72809370. Its totient is φ = 24269788.

The previous prime is 48539567. The next prime is 48539593. The reversal of 48539578 is 87593584.

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., 47430769 + 1108809 = 6887^2 + 1053^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12134893 + ... + 12134896.

Almost surely, 2^48539578 is an apocalyptic number.

48539578 is a deficient number, since it is larger than the sum of its proper divisors (24269792).

48539578 is a wasteful number, since it uses less digits than its factorization.

48539578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24269791.

The product of its digits is 1209600, while the sum is 49.

The square root of 48539578 is about 6967.0350939263. The cubic root of 48539578 is about 364.7808229393.

The spelling of 48539578 in words is "forty-eight million, five hundred thirty-nine thousand, five hundred seventy-eight".