550515021137 has 2 divisors, whose sum is σ = 550515021138. Its totient is φ = 550515021136.

The previous prime is 550515021131. The next prime is 550515021311. The reversal of 550515021137 is 731120515055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323725722961 + 226789298176 = 568969^2 + 476224^2 .

It is a cyclic number.

It is not a de Polignac number, because 550515021137 - 2³⁰ = 549441279313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550515021097 and 550515021106.

It is not a weakly prime, because it can be changed into another prime (550515021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275257510568 + 275257510569.

It is an arithmetic number, because the mean of its divisors is an integer number (275257510569).

Almost surely, 2^550515021137 is an apocalyptic number.

It is an amenable number.

550515021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

550515021137 is an equidigital number, since it uses as much as digits as its factorization.

550515021137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 550515021137 in words is "five hundred fifty billion, five hundred fifteen million, twenty-one thousand, one hundred thirty-seven".