50668209216 has 189 divisors, whose sum is σ = 148314545509. Its totient is φ = 16538253312.

The previous prime is 50668209211. The next prime is 50668209233. The reversal of 50668209216 is 61290286605.

The square root of 50668209216 is 225096.

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

It can be written as a sum of positive squares in only one way, i.e., 892814400 + 49775394816 = 29880^2 + 223104^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50668209211) 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, 448391176 + ... + 448391288.

Almost surely, 2^50668209216 is an apocalyptic number.

50668209216 is the 225096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50668209216

50668209216 is an abundant number, since it is smaller than the sum of its proper divisors (97646336293).

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

50668209216 is an equidigital number, since it uses as much as digits as its factorization.

50668209216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 50668209216 in words is "fifty billion, six hundred sixty-eight million, two hundred nine thousand, two hundred sixteen".