49648229 has 2 divisors, whose sum is σ = 49648230. Its totient is φ = 49648228.

The previous prime is 49648219. The next prime is 49648231. The reversal of 49648229 is 92284694.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 17181025 = 5698^2 + 4145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49648229 is a prime.

It is a Sophie Germain prime.

Together with 49648231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49648229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49648219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24824114 + 24824115.

It is an arithmetic number, because the mean of its divisors is an integer number (24824115).

Almost surely, 2^49648229 is an apocalyptic number.

It is an amenable number.

49648229 is a deficient number, since it is larger than the sum of its proper divisors (1).

49648229 is an equidigital number, since it uses as much as digits as its factorization.

49648229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 49648229 is about 7046.1499416348. The cubic root of 49648229 is about 367.5371588447.

The spelling of 49648229 in words is "forty-nine million, six hundred forty-eight thousand, two hundred twenty-nine".