550342613 has 2 divisors, whose sum is σ = 550342614. Its totient is φ = 550342612.

The previous prime is 550342601. The next prime is 550342621. The reversal of 550342613 is 316243055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506160004 + 44182609 = 22498^2 + 6647^2 .

It is a cyclic number.

It is not a de Polignac number, because 550342613 - 2⁸ = 550342357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550342633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275171306 + 275171307.

It is an arithmetic number, because the mean of its divisors is an integer number (275171307).

Almost surely, 2^550342613 is an apocalyptic number.

It is an amenable number.

550342613 is a deficient number, since it is larger than the sum of its proper divisors (1).

550342613 is an equidigital number, since it uses as much as digits as its factorization.

550342613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 550342613 is about 23459.3821956163. The cubic root of 550342613 is about 819.4913626314.

Adding to 550342613 its reverse (316243055), we get a palindrome (866585668).

The spelling of 550342613 in words is "five hundred fifty million, three hundred forty-two thousand, six hundred thirteen".