550552750529 has 4 divisors (see below), whose sum is σ = 556738736580. Its totient is φ = 544366764480.

The previous prime is 550552750499. The next prime is 550552750543. The reversal of 550552750529 is 925057255055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 925057255055 = 5 ⋅185011451011.

It can be written as a sum of positive squares in 2 ways, for example, as 154972132225 + 395580618304 = 393665^2 + 628952^2 .

It is a cyclic number.

It is not a de Polignac number, because 550552750529 - 2²⁸ = 550284315073 is a prime.

It is a super-2 number, since 2×550552750529² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550552750129) 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 in 3 ways as a sum of consecutive naturals, for example, 3092992892 + ... + 3092993069.

It is an arithmetic number, because the mean of its divisors is an integer number (139184684145).

Almost surely, 2^550552750529 is an apocalyptic number.

It is an amenable number.

550552750529 is a deficient number, since it is larger than the sum of its proper divisors (6185986051).

550552750529 is an equidigital number, since it uses as much as digits as its factorization.

550552750529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185986050.

The product of its (nonzero) digits is 3937500, while the sum is 50.

The spelling of 550552750529 in words is "five hundred fifty billion, five hundred fifty-two million, seven hundred fifty thousand, five hundred twenty-nine".