550330330513 has 2 divisors, whose sum is σ = 550330330514. Its totient is φ = 550330330512.

The previous prime is 550330330507. The next prime is 550330330573. The reversal of 550330330513 is 315033033055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428935924624 + 121394405889 = 654932^2 + 348417^2 .

It is a cyclic number.

It is not a de Polignac number, because 550330330513 - 2⁵ = 550330330481 is a prime.

It is not a weakly prime, because it can be changed into another prime (550330330573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275165165256 + 275165165257.

It is an arithmetic number, because the mean of its divisors is an integer number (275165165257).

Almost surely, 2^550330330513 is an apocalyptic number.

It is an amenable number.

550330330513 is a deficient number, since it is larger than the sum of its proper divisors (1).

550330330513 is an equidigital number, since it uses as much as digits as its factorization.

550330330513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30375, while the sum is 31.

Adding to 550330330513 its reverse (315033033055), we get a palindrome (865363363568).

The spelling of 550330330513 in words is "five hundred fifty billion, three hundred thirty million, three hundred thirty thousand, five hundred thirteen".