47445648 has 40 divisors (see below), whose sum is σ = 124405728. Its totient is φ = 15578112.

The previous prime is 47445631. The next prime is 47445667. The reversal of 47445648 is 84654474.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 10592.

Almost surely, 2^47445648 is an apocalyptic number.

47445648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47445648 is an abundant number, since it is smaller than the sum of its proper divisors (76960080).

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

47445648 is a wasteful number, since it uses less digits than its factorization.

47445648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14831 (or 14825 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 47445648 is about 6888.0801389066. The cubic root of 47445648 is about 362.0196361051.

The spelling of 47445648 in words is "forty-seven million, four hundred forty-five thousand, six hundred forty-eight".