48681647 has 16 divisors (see below), whose sum is σ = 57600000. Its totient is φ = 41118840.

The previous prime is 48681623. The next prime is 48681649. The reversal of 48681647 is 74618684.

It is not a de Polignac number, because 48681647 - 2²² = 44487343 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 48681598 and 48681607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48681649) 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, 23354 + ... + 25352.

It is an arithmetic number, because the mean of its divisors is an integer number (3600000).

Almost surely, 2^48681647 is an apocalyptic number.

48681647 is a deficient number, since it is larger than the sum of its proper divisors (8918353).

48681647 is an equidigital number, since it uses as much as digits as its factorization.

48681647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2077 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 48681647 is about 6977.2234448955. The cubic root of 48681647 is about 365.1363648853.

The spelling of 48681647 in words is "forty-eight million, six hundred eighty-one thousand, six hundred forty-seven".