49529729 has 2 divisors, whose sum is σ = 49529730. Its totient is φ = 49529728.

The previous prime is 49529699. The next prime is 49529749. The reversal of 49529729 is 92792594.

49529729 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., 45589504 + 3940225 = 6752^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 49529729 - 2¹⁶ = 49464193 is a prime.

It is not a weakly prime, because it can be changed into another prime (49529749) 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, 24764864 + 24764865.

It is an arithmetic number, because the mean of its divisors is an integer number (24764865).

Almost surely, 2^49529729 is an apocalyptic number.

It is an amenable number.

49529729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49529729 is an equidigital number, since it uses as much as digits as its factorization.

49529729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 49529729 is about 7037.7360706409. The cubic root of 49529729 is about 367.2445142999.

The spelling of 49529729 in words is "forty-nine million, five hundred twenty-nine thousand, seven hundred twenty-nine".