49650009 has 8 divisors (see below), whose sum is σ = 66234432. Its totient is φ = 33082800.

The previous prime is 49649989. The next prime is 49650023. The reversal of 49650009 is 90005694.

It is a happy number.

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

It is not a de Polignac number, because 49650009 - 2¹³ = 49641817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49650049) 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, 5859 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (8279304).

Almost surely, 2^49650009 is an apocalyptic number.

It is an amenable number.

49650009 is a deficient number, since it is larger than the sum of its proper divisors (16584423).

49650009 is a wasteful number, since it uses less digits than its factorization.

49650009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 49650009 is about 7046.2762506163. The cubic root of 49650009 is about 367.5415511351.

It can be divided in two parts, 496 and 50009, that added together give a palindrome (50505).

The spelling of 49650009 in words is "forty-nine million, six hundred fifty thousand, nine".