49782385 has 4 divisors (see below), whose sum is σ = 59738868. Its totient is φ = 39825904.

The previous prime is 49782377. The next prime is 49782389. The reversal of 49782385 is 58328794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28686736 + 21095649 = 5356^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 49782385 - 2³ = 49782377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49782389) 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 3 ways as a sum of consecutive naturals, for example, 4978234 + ... + 4978243.

It is an arithmetic number, because the mean of its divisors is an integer number (14934717).

Almost surely, 2^49782385 is an apocalyptic number.

It is an amenable number.

49782385 is a deficient number, since it is larger than the sum of its proper divisors (9956483).

49782385 is an equidigital number, since it uses as much as digits as its factorization.

49782385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956482.

The product of its digits is 483840, while the sum is 46.

The square root of 49782385 is about 7055.6633281358. The cubic root of 49782385 is about 367.8679055871.

The spelling of 49782385 in words is "forty-nine million, seven hundred eighty-two thousand, three hundred eighty-five".