48648389 has 2 divisors, whose sum is σ = 48648390. Its totient is φ = 48648388.

The previous prime is 48648361. The next prime is 48648403. The reversal of 48648389 is 98384684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 2856100 = 6767^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48648389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48648319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24324194 + 24324195.

It is an arithmetic number, because the mean of its divisors is an integer number (24324195).

Almost surely, 2^48648389 is an apocalyptic number.

It is an amenable number.

48648389 is a deficient number, since it is larger than the sum of its proper divisors (1).

48648389 is an equidigital number, since it uses as much as digits as its factorization.

48648389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The square root of 48648389 is about 6974.8397114199. The cubic root of 48648389 is about 365.0531954745.

The spelling of 48648389 in words is "forty-eight million, six hundred forty-eight thousand, three hundred eighty-nine".