6522550553 has 2 divisors, whose sum is σ = 6522550554. Its totient is φ = 6522550552.

The previous prime is 6522550501. The next prime is 6522550561. The reversal of 6522550553 is 3550552256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3496120384 + 3026430169 = 59128^2 + 55013^2 .

It is a cyclic number.

It is not a de Polignac number, because 6522550553 - 2¹⁴ = 6522534169 is a prime.

It is not a weakly prime, because it can be changed into another prime (6522550583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261275276 + 3261275277.

It is an arithmetic number, because the mean of its divisors is an integer number (3261275277).

Almost surely, 2^6522550553 is an apocalyptic number.

It is an amenable number.

6522550553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6522550553 is an equidigital number, since it uses as much as digits as its factorization.

6522550553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 38.

The square root of 6522550553 is about 80762.3089875469. The cubic root of 6522550553 is about 1868.4112973876.

The spelling of 6522550553 in words is "six billion, five hundred twenty-two million, five hundred fifty thousand, five hundred fifty-three".