49797709 has 12 divisors (see below), whose sum is σ = 57098196. Its totient is φ = 43260672.

The previous prime is 49797697. The next prime is 49797721. The reversal of 49797709 is 90779794.

It is an interprime number because it is at equal distance from previous prime (49797697) and next prime (49797721).

It can be written as a sum of positive squares in 6 ways, for example, as 12404484 + 37393225 = 3522^2 + 6115^2 .

It is not a de Polignac number, because 49797709 - 2⁵ = 49797677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49797779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5794 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (4758183).

Almost surely, 2^49797709 is an apocalyptic number.

It is an amenable number.

49797709 is a deficient number, since it is larger than the sum of its proper divisors (7300487).

49797709 is a wasteful number, since it uses less digits than its factorization.

49797709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376 (or 17363 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 49797709 is about 7056.7491807489. The cubic root of 49797709 is about 367.9056473805.

The spelling of 49797709 in words is "forty-nine million, seven hundred ninety-seven thousand, seven hundred nine".