49829309 has 4 divisors (see below), whose sum is σ = 51044700. Its totient is φ = 48613920.

The previous prime is 49829281. The next prime is 49829317. The reversal of 49829309 is 90392894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12802084 + 37027225 = 3578^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 49829309 - 2¹² = 49825213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49829309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49829359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607634 + ... + 607715.

It is an arithmetic number, because the mean of its divisors is an integer number (12761175).

Almost surely, 2^49829309 is an apocalyptic number.

It is an amenable number.

49829309 is a deficient number, since it is larger than the sum of its proper divisors (1215391).

49829309 is a wasteful number, since it uses less digits than its factorization.

49829309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215390.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 49829309 is about 7058.9878169607. The cubic root of 49829309 is about 367.9834512289.

The spelling of 49829309 in words is "forty-nine million, eight hundred twenty-nine thousand, three hundred nine".