49591609 has 8 divisors (see below), whose sum is σ = 50092160. Its totient is φ = 49093776.

The previous prime is 49591603. The next prime is 49591613. The reversal of 49591609 is 90619594.

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 49591609 - 2⁷ = 49591481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49591603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59407 + ... + 60235.

It is an arithmetic number, because the mean of its divisors is an integer number (6261520).

Almost surely, 2^49591609 is an apocalyptic number.

It is an amenable number.

49591609 is a deficient number, since it is larger than the sum of its proper divisors (500551).

49591609 is a wasteful number, since it uses less digits than its factorization.

49591609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 49591609 is about 7042.1309984975. The cubic root of 49591609 is about 367.3973897123.

The spelling of 49591609 in words is "forty-nine million, five hundred ninety-one thousand, six hundred nine".