49529709 has 24 divisors (see below), whose sum is σ = 74731800. Its totient is φ = 31570560.

The previous prime is 49529699. The next prime is 49529729. The reversal of 49529709 is 90792594.

It can be written as a sum of positive squares in 4 ways, for example, as 837225 + 48692484 = 915^2 + 6978^2 .

It is not a de Polignac number, because 49529709 - 2¹⁹ = 49005421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49529729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27579 + ... + 29319.

It is an arithmetic number, because the mean of its divisors is an integer number (3113825).

Almost surely, 2^49529709 is an apocalyptic number.

It is an amenable number.

49529709 is a deficient number, since it is larger than the sum of its proper divisors (25202091).

49529709 is a wasteful number, since it uses less digits than its factorization.

49529709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 49529709 is about 7037.7346497293. The cubic root of 49529709 is about 367.2444648691.

The spelling of 49529709 in words is "forty-nine million, five hundred twenty-nine thousand, seven hundred nine".