49983649 has 2 divisors, whose sum is σ = 49983650. Its totient is φ = 49983648.

The previous prime is 49983643. The next prime is 49983653. The reversal of 49983649 is 94638994.

49983649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 1081600 = 6993^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 49983649 - 2¹⁵ = 49950881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49983596 and 49983605.

It is not a weakly prime, because it can be changed into another prime (49983643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24991824 + 24991825.

It is an arithmetic number, because the mean of its divisors is an integer number (24991825).

Almost surely, 2^49983649 is an apocalyptic number.

It is an amenable number.

49983649 is a deficient number, since it is larger than the sum of its proper divisors (1).

49983649 is an equidigital number, since it uses as much as digits as its factorization.

49983649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The square root of 49983649 is about 7069.9115270278. The cubic root of 49983649 is about 368.3629870864.

It can be divided in two parts, 499 and 83649, that added together give a palindrome (84148).

The spelling of 49983649 in words is "forty-nine million, nine hundred eighty-three thousand, six hundred forty-nine".