2550220553 has 2 divisors, whose sum is σ = 2550220554. Its totient is φ = 2550220552.

The previous prime is 2550220511. The next prime is 2550220573. The reversal of 2550220553 is 3550220552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006771209 + 543449344 = 44797^2 + 23312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550220553 - 2¹⁶ = 2550155017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2550220573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275110276 + 1275110277.

It is an arithmetic number, because the mean of its divisors is an integer number (1275110277).

Almost surely, 2^2550220553 is an apocalyptic number.

It is an amenable number.

2550220553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550220553 is an equidigital number, since it uses as much as digits as its factorization.

2550220553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 2550220553 is about 50499.7084447029. The cubic root of 2550220553 is about 1366.2365950023.

Subtracting 2550220553 from its reverse (3550220552), we obtain a palindrome (999999999).

The spelling of 2550220553 in words is "two billion, five hundred fifty million, two hundred twenty thousand, five hundred fifty-three".