48639549 has 16 divisors (see below), whose sum is σ = 77340672. Its totient is φ = 26585328.

The previous prime is 48639511. The next prime is 48639557. The reversal of 48639549 is 94593684.

It is not a de Polignac number, because 48639549 - 2⁷ = 48639421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48639498 and 48639507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48639749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49869 + ... + 50834.

It is an arithmetic number, because the mean of its divisors is an integer number (4833792).

Almost surely, 2^48639549 is an apocalyptic number.

It is an amenable number.

48639549 is a deficient number, since it is larger than the sum of its proper divisors (28701123).

48639549 is a wasteful number, since it uses less digits than its factorization.

48639549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100736.

The product of its digits is 933120, while the sum is 48.

The square root of 48639549 is about 6974.2059763101. The cubic root of 48639549 is about 365.0310826098.

The spelling of 48639549 in words is "forty-eight million, six hundred thirty-nine thousand, five hundred forty-nine".