48489851 has 2 divisors, whose sum is σ = 48489852. Its totient is φ = 48489850.

The previous prime is 48489829. The next prime is 48489871. The reversal of 48489851 is 15898484.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48489851 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 48489796 and 48489805.

It is not a weakly prime, because it can be changed into another prime (48489811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24244925 + 24244926.

It is an arithmetic number, because the mean of its divisors is an integer number (24244926).

Almost surely, 2^48489851 is an apocalyptic number.

48489851 is a deficient number, since it is larger than the sum of its proper divisors (1).

48489851 is an equidigital number, since it uses as much as digits as its factorization.

48489851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The square root of 48489851 is about 6963.4654447337. The cubic root of 48489851 is about 364.6562122288.

The spelling of 48489851 in words is "forty-eight million, four hundred eighty-nine thousand, eight hundred fifty-one".