2550521216 has 16 divisors (see below), whose sum is σ = 5081116740. Its totient is φ = 1275260544.

The previous prime is 2550521209. The next prime is 2550521251. The reversal of 2550521216 is 6121250552.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×2550521216³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9962846 + ... + 9963101.

Almost surely, 2^2550521216 is an apocalyptic number.

It is an amenable number.

2550521216 is a deficient number, since it is larger than the sum of its proper divisors (2530595524).

2550521216 is an equidigital number, since it uses as much as digits as its factorization.

2550521216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19925961 (or 19925949 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2550521216 is about 50502.6852355397. The cubic root of 2550521216 is about 1366.2902845614.

Adding to 2550521216 its reverse (6121250552), we get a palindrome (8671771768).

The spelling of 2550521216 in words is "two billion, five hundred fifty million, five hundred twenty-one thousand, two hundred sixteen".