49788609 has 8 divisors (see below), whose sum is σ = 71491392. Its totient is φ = 30639120.

The previous prime is 49788589. The next prime is 49788617. The reversal of 49788609 is 90688794.

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 49788609 - 2⁵ = 49788577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49788659) 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, 638277 + ... + 638354.

It is an arithmetic number, because the mean of its divisors is an integer number (8936424).

Almost surely, 2^49788609 is an apocalyptic number.

It is an amenable number.

49788609 is a deficient number, since it is larger than the sum of its proper divisors (21702783).

49788609 is a wasteful number, since it uses less digits than its factorization.

49788609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276647.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 49788609 is about 7056.1043784797. The cubic root of 49788609 is about 367.8832357381.

The spelling of 49788609 in words is "forty-nine million, seven hundred eighty-eight thousand, six hundred nine".