550255530553 has 2 divisors, whose sum is σ = 550255530554. Its totient is φ = 550255530552.

The previous prime is 550255530541. The next prime is 550255530557. The reversal of 550255530553 is 355035552055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487661995584 + 62593534969 = 698328^2 + 250187^2 .

It is a cyclic number.

It is not a de Polignac number, because 550255530553 - 2³⁷ = 412816577081 is a prime.

It is a super-2 number, since 2×550255530553² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550255530557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275127765276 + 275127765277.

It is an arithmetic number, because the mean of its divisors is an integer number (275127765277).

Almost surely, 2^550255530553 is an apocalyptic number.

It is an amenable number.

550255530553 is a deficient number, since it is larger than the sum of its proper divisors (1).

550255530553 is an equidigital number, since it uses as much as digits as its factorization.

550255530553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1406250, while the sum is 43.

The spelling of 550255530553 in words is "five hundred fifty billion, two hundred fifty-five million, five hundred thirty thousand, five hundred fifty-three".