49788385 has 4 divisors (see below), whose sum is σ = 59746068. Its totient is φ = 39830704.

The previous prime is 49788377. The next prime is 49788433. The reversal of 49788385 is 58388794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58388794 = 2 ⋅29194397.

It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 19395216 = 5513^2 + 4404^2 .

It is a cyclic number.

It is not a de Polignac number, because 49788385 - 2³ = 49788377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4978834 + ... + 4978843.

It is an arithmetic number, because the mean of its divisors is an integer number (14936517).

Almost surely, 2^49788385 is an apocalyptic number.

It is an amenable number.

49788385 is a deficient number, since it is larger than the sum of its proper divisors (9957683).

49788385 is an equidigital number, since it uses as much as digits as its factorization.

49788385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957682.

The product of its digits is 1935360, while the sum is 52.

The square root of 49788385 is about 7056.0885056808. The cubic root of 49788385 is about 367.8826840324.

The spelling of 49788385 in words is "forty-nine million, seven hundred eighty-eight thousand, three hundred eighty-five".