48639648 has 24 divisors (see below), whose sum is σ = 127679328. Its totient is φ = 16213184.

The previous prime is 48639629. The next prime is 48639673. The reversal of 48639648 is 84693684.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 48639597 and 48639606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253236 + ... + 253427.

It is an arithmetic number, because the mean of its divisors is an integer number (5319972).

Almost surely, 2^48639648 is an apocalyptic number.

48639648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

48639648 is an abundant number, since it is smaller than the sum of its proper divisors (79039680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48639648 is a wasteful number, since it uses less digits than its factorization.

48639648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506676 (or 506668 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 48639648 is about 6974.2130738887. The cubic root of 48639648 is about 365.0313302687.

The spelling of 48639648 in words is "forty-eight million, six hundred thirty-nine thousand, six hundred forty-eight".