48971647 has 2 divisors, whose sum is σ = 48971648. Its totient is φ = 48971646.

The previous prime is 48971621. The next prime is 48971677. The reversal of 48971647 is 74617984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48971647 - 2⁷ = 48971519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48971597 and 48971606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48971677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24485823 + 24485824.

It is an arithmetic number, because the mean of its divisors is an integer number (24485824).

Almost surely, 2^48971647 is an apocalyptic number.

48971647 is a deficient number, since it is larger than the sum of its proper divisors (1).

48971647 is an equidigital number, since it uses as much as digits as its factorization.

48971647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 48971647 is about 6997.9744926657. The cubic root of 48971647 is about 365.8599775923.

The spelling of 48971647 in words is "forty-eight million, nine hundred seventy-one thousand, six hundred forty-seven".