550534013 has 2 divisors, whose sum is σ = 550534014. Its totient is φ = 550534012.

The previous prime is 550534009. The next prime is 550534051. The reversal of 550534013 is 310435055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548168569 + 2365444 = 23413^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 550534013 - 2² = 550534009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550534513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275267006 + 275267007.

It is an arithmetic number, because the mean of its divisors is an integer number (275267007).

Almost surely, 2^550534013 is an apocalyptic number.

It is an amenable number.

550534013 is a deficient number, since it is larger than the sum of its proper divisors (1).

550534013 is an equidigital number, since it uses as much as digits as its factorization.

550534013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 550534013 is about 23463.4612323076. The cubic root of 550534013 is about 819.5863534385.

Adding to 550534013 its reverse (310435055), we get a palindrome (860969068).

The spelling of 550534013 in words is "five hundred fifty million, five hundred thirty-four thousand, thirteen".