48966689 has 2 divisors, whose sum is σ = 48966690. Its totient is φ = 48966688.

The previous prime is 48966653. The next prime is 48966691. The reversal of 48966689 is 98666984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 15523600 = 5783^2 + 3940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48966689 is a prime.

Together with 48966691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48966289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24483344 + 24483345.

It is an arithmetic number, because the mean of its divisors is an integer number (24483345).

Almost surely, 2^48966689 is an apocalyptic number.

It is an amenable number.

48966689 is a deficient number, since it is larger than the sum of its proper divisors (1).

48966689 is an equidigital number, since it uses as much as digits as its factorization.

48966689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 56.

The square root of 48966689 is about 6997.6202383382. The cubic root of 48966689 is about 365.8476303458.

The spelling of 48966689 in words is "forty-eight million, nine hundred sixty-six thousand, six hundred eighty-nine".