5500144421 has 2 divisors, whose sum is σ = 5500144422. Its totient is φ = 5500144420.

The previous prime is 5500144411. The next prime is 5500144451. The reversal of 5500144421 is 1244410055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4278991396 + 1221153025 = 65414^2 + 34945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500144421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500144411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750072210 + 2750072211.

It is an arithmetic number, because the mean of its divisors is an integer number (2750072211).

Almost surely, 2^5500144421 is an apocalyptic number.

It is an amenable number.

5500144421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500144421 is an equidigital number, since it uses as much as digits as its factorization.

5500144421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 5500144421 is about 74162.9585507482. The cubic root of 5500144421 is about 1765.1896177229.

Adding to 5500144421 its reverse (1244410055), we get a palindrome (6744554476).

The spelling of 5500144421 in words is "five billion, five hundred million, one hundred forty-four thousand, four hundred twenty-one".