49271609 has 8 divisors (see below), whose sum is σ = 51933960. Its totient is φ = 46673536.

The previous prime is 49271603. The next prime is 49271623. The reversal of 49271609 is 90617294.

It can be written as a sum of positive squares in 4 ways, for example, as 29735209 + 19536400 = 5453^2 + 4420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49271609 - 2⁸ = 49271353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49271603) 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 7 ways as a sum of consecutive naturals, for example, 14492 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (6491745).

Almost surely, 2^49271609 is an apocalyptic number.

It is an amenable number.

49271609 is a deficient number, since it is larger than the sum of its proper divisors (2662351).

49271609 is a wasteful number, since it uses less digits than its factorization.

49271609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32139.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 49271609 is about 7019.3738324725. The cubic root of 49271609 is about 366.6054482736.

The spelling of 49271609 in words is "forty-nine million, two hundred seventy-one thousand, six hundred nine".