49439249 has 2 divisors, whose sum is σ = 49439250. Its totient is φ = 49439248.

The previous prime is 49439231. The next prime is 49439297. The reversal of 49439249 is 94293494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 14250625 = 5932^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 49439249 - 2¹² = 49435153 is a prime.

It is not a weakly prime, because it can be changed into another prime (49439209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24719624 + 24719625.

It is an arithmetic number, because the mean of its divisors is an integer number (24719625).

Almost surely, 2^49439249 is an apocalyptic number.

It is an amenable number.

49439249 is a deficient number, since it is larger than the sum of its proper divisors (1).

49439249 is an equidigital number, since it uses as much as digits as its factorization.

49439249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 49439249 is about 7031.3049286743. The cubic root of 49439249 is about 367.0207528103.

The spelling of 49439249 in words is "forty-nine million, four hundred thirty-nine thousand, two hundred forty-nine".