553342050221 has 2 divisors, whose sum is σ = 553342050222. Its totient is φ = 553342050220.

The previous prime is 553342050199. The next prime is 553342050301. The reversal of 553342050221 is 122050243355.

553342050221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549421912900 + 3920137321 = 741230^2 + 62611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553342050221 is a prime.

It is a super-2 number, since 2×553342050221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553342070221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276671025110 + 276671025111.

It is an arithmetic number, because the mean of its divisors is an integer number (276671025111).

Almost surely, 2^553342050221 is an apocalyptic number.

It is an amenable number.

553342050221 is a deficient number, since it is larger than the sum of its proper divisors (1).

553342050221 is an equidigital number, since it uses as much as digits as its factorization.

553342050221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 553342050221 its reverse (122050243355), we get a palindrome (675392293576).

The spelling of 553342050221 in words is "five hundred fifty-three billion, three hundred forty-two million, fifty thousand, two hundred twenty-one".