48539643 has 4 divisors (see below), whose sum is σ = 64719528. Its totient is φ = 32359760.

The previous prime is 48539639. The next prime is 48539653. The reversal of 48539643 is 34693584.

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

It is a cyclic number.

It is not a de Polignac number, because 48539643 - 2² = 48539639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48539595 and 48539604.

It is not an unprimeable number, because it can be changed into a prime (48539633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8089938 + ... + 8089943.

It is an arithmetic number, because the mean of its divisors is an integer number (16179882).

Almost surely, 2^48539643 is an apocalyptic number.

48539643 is a deficient number, since it is larger than the sum of its proper divisors (16179885).

48539643 is a wasteful number, since it uses less digits than its factorization.

48539643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16179884.

The product of its digits is 311040, while the sum is 42.

The square root of 48539643 is about 6967.0397587498. The cubic root of 48539643 is about 364.7809857669.

The spelling of 48539643 in words is "forty-eight million, five hundred thirty-nine thousand, six hundred forty-three".