49820005 has 8 divisors (see below), whose sum is σ = 60313752. Its totient is φ = 39502848.

The previous prime is 49819997. The next prime is 49820039. The reversal of 49820005 is 50002894.

It is a happy number.

49820005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 173889 + 49646116 = 417^2 + 7046^2 .

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 49820005 - 2³ = 49819997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43524 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (7539219).

Almost surely, 2^49820005 is an apocalyptic number.

It is an amenable number.

49820005 is a deficient number, since it is larger than the sum of its proper divisors (10493747).

49820005 is a wasteful number, since it uses less digits than its factorization.

49820005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88295.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 49820005 is about 7058.3287682000. The cubic root of 49820005 is about 367.9605468298.

Adding to 49820005 its reverse (50002894), we get a palindrome (99822899).

It can be divided in two parts, 498 and 20005, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 49820005 in words is "forty-nine million, eight hundred twenty thousand, five".