50566516900 has 81 divisors (see below), whose sum is σ = 111268113411. Its totient is φ = 19946868480.

The previous prime is 50566516859. The next prime is 50566516909. The reversal of 50566516900 is 961566505.

The square root of 50566516900 is 224870.

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

It can be written as a sum of positive squares in 4 ways, for example, as 25726235236 + 24840281664 = 160394^2 + 157608^2 .

It is a super-2 number, since 2×50566516900² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50566516909) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 254103001 + ... + 254103199.

Almost surely, 2^50566516900 is an apocalyptic number.

50566516900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50566516900 is the 224870-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50566516900

50566516900 is an abundant number, since it is smaller than the sum of its proper divisors (60701596511).

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

50566516900 is a wasteful number, since it uses less digits than its factorization.

50566516900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 50566516900 in words is "fifty billion, five hundred sixty-six million, five hundred sixteen thousand, nine hundred".