49949568036 has 45 divisors (see below), whose sum is σ = 126919019591. Its totient is φ = 16563587328.

The previous prime is 49949568029. The next prime is 49949568041. The reversal of 49949568036 is 63086594994.

The square root of 49949568036 is 223494.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 13269657636 + 36679910400 = 115194^2 + 191520^2 .

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 14 ways as a sum of consecutive naturals, for example, 258805956 + ... + 258806148.

Almost surely, 2^49949568036 is an apocalyptic number.

49949568036 is the 223494-th square number.

It is an amenable number.

49949568036 is an abundant number, since it is smaller than the sum of its proper divisors (76969451555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49949568036 is an frugal number, since it uses more digits than its factorization.

49949568036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 49949568036 in words is "forty-nine billion, nine hundred forty-nine million, five hundred sixty-eight thousand, thirty-six".