49726657 has 2 divisors, whose sum is σ = 49726658. Its totient is φ = 49726656.

The previous prime is 49726639. The next prime is 49726679. The reversal of 49726657 is 75662794.

49726657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26532801 + 23193856 = 5151^2 + 4816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49726657 is a prime.

It is not a weakly prime, because it can be changed into another prime (49726637) 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, 24863328 + 24863329.

It is an arithmetic number, because the mean of its divisors is an integer number (24863329).

Almost surely, 2^49726657 is an apocalyptic number.

It is an amenable number.

49726657 is a deficient number, since it is larger than the sum of its proper divisors (1).

49726657 is an equidigital number, since it uses as much as digits as its factorization.

49726657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 49726657 is about 7051.7130542869. The cubic root of 49726657 is about 367.7305866200.

The spelling of 49726657 in words is "forty-nine million, seven hundred twenty-six thousand, six hundred fifty-seven".