5525563817 has 2 divisors, whose sum is σ = 5525563818. Its totient is φ = 5525563816.

The previous prime is 5525563811. The next prime is 5525563867. The reversal of 5525563817 is 7183655255.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5186304256 + 339259561 = 72016^2 + 18419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525563817 - 2²⁴ = 5508786601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5525563811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762781908 + 2762781909.

It is an arithmetic number, because the mean of its divisors is an integer number (2762781909).

Almost surely, 2^5525563817 is an apocalyptic number.

It is an amenable number.

5525563817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525563817 is an equidigital number, since it uses as much as digits as its factorization.

5525563817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260000, while the sum is 47.

The square root of 5525563817 is about 74334.1362834062. The cubic root of 5525563817 is about 1767.9047650470.

The spelling of 5525563817 in words is "five billion, five hundred twenty-five million, five hundred sixty-three thousand, eight hundred seventeen".