550001105513 has 2 divisors, whose sum is σ = 550001105514. Its totient is φ = 550001105512.

The previous prime is 550001105473. The next prime is 550001105617. The reversal of 550001105513 is 315501100055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324611644009 + 225389461504 = 569747^2 + 474752^2 .

It is a cyclic number.

It is not a de Polignac number, because 550001105513 - 2¹⁶ = 550001039977 is a prime.

It is not a weakly prime, because it can be changed into another prime (550001105113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000552756 + 275000552757.

It is an arithmetic number, because the mean of its divisors is an integer number (275000552757).

Almost surely, 2^550001105513 is an apocalyptic number.

It is an amenable number.

550001105513 is a deficient number, since it is larger than the sum of its proper divisors (1).

550001105513 is an equidigital number, since it uses as much as digits as its factorization.

550001105513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 26.

Adding to 550001105513 its reverse (315501100055), we get a palindrome (865502205568).

The spelling of 550001105513 in words is "five hundred fifty billion, one million, one hundred five thousand, five hundred thirteen".