48578638 has 4 divisors (see below), whose sum is σ = 72867960. Its totient is φ = 24289318.

The previous prime is 48578633. The next prime is 48578711. The reversal of 48578638 is 83687584.

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

It is a junction number, because it is equal to n+sod(n) for n = 48578591 and 48578600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48578633) by changing a digit.

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 as a sum of consecutive naturals, namely, 12144658 + ... + 12144661.

It is an arithmetic number, because the mean of its divisors is an integer number (18216990).

Almost surely, 2^48578638 is an apocalyptic number.

48578638 is a deficient number, since it is larger than the sum of its proper divisors (24289322).

48578638 is a wasteful number, since it uses less digits than its factorization.

48578638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24289321.

The product of its digits is 1290240, while the sum is 49.

The square root of 48578638 is about 6969.8377312531. The cubic root of 48578638 is about 364.8786435862.

The spelling of 48578638 in words is "forty-eight million, five hundred seventy-eight thousand, six hundred thirty-eight".