5044545521 has 2 divisors, whose sum is σ = 5044545522. Its totient is φ = 5044545520.

The previous prime is 5044545481. The next prime is 5044545533. The reversal of 5044545521 is 1255454405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3067498225 + 1977047296 = 55385^2 + 44464^2 .

It is a cyclic number.

It is not a de Polignac number, because 5044545521 - 2¹⁰ = 5044544497 is a prime.

It is a super-2 number, since 2×5044545521² = 50894879026882322882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5044541521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522272760 + 2522272761.

It is an arithmetic number, because the mean of its divisors is an integer number (2522272761).

Almost surely, 2^5044545521 is an apocalyptic number.

It is an amenable number.

5044545521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5044545521 is an equidigital number, since it uses as much as digits as its factorization.

5044545521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 5044545521 is about 71024.9640689807. The cubic root of 5044545521 is about 1715.0390583460.

Adding to 5044545521 its reverse (1255454405), we get a palindrome (6299999926).

The spelling of 5044545521 in words is "five billion, forty-four million, five hundred forty-five thousand, five hundred twenty-one".