50016638736 has 45 divisors (see below), whose sum is σ = 139984632021. Its totient is φ = 16671318336.

The previous prime is 50016638731. The next prime is 50016638759. The reversal of 50016638736 is 63783661005.

The square root of 50016638736 is 223644.

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

50016638736 is a `hidden beast` number, since 5 + 0 + 0 + 1 + 6 + 638 + 7 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 49882542336 = 11580^2 + 223344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50016638691 and 50016638700.

It is not an unprimeable number, because it can be changed into a prime (50016638731) 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 8 ways as a sum of consecutive naturals, for example, 2674410 + ... + 2693046.

Almost surely, 2^50016638736 is an apocalyptic number.

50016638736 is the 223644-th square number.

It is an amenable number.

50016638736 is an abundant number, since it is smaller than the sum of its proper divisors (89967993285).

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

50016638736 is an frugal number, since it uses more digits than its factorization.

50016638736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37288 (or 18642 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 50016638736 in words is "fifty billion, sixteen million, six hundred thirty-eight thousand, seven hundred thirty-six".