550440304625 has 16 divisors (see below), whose sum is σ = 699910819920. Its totient is φ = 432043705600.

The previous prime is 550440304619. The next prime is 550440304627. The reversal of 550440304625 is 526403044055.

It can be written as a sum of positive squares in 8 ways, for example, as 258210324736 + 292229979889 = 508144^2 + 540583^2 .

It is not a de Polignac number, because 550440304625 - 2¹⁰ = 550440303601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550440304627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41536040 + ... + 41549289.

It is an arithmetic number, because the mean of its divisors is an integer number (43744426245).

Almost surely, 2^550440304625 is an apocalyptic number.

It is an amenable number.

550440304625 is a deficient number, since it is larger than the sum of its proper divisors (149470515295).

550440304625 is an equidigital number, since it uses as much as digits as its factorization.

550440304625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83085397 (or 83085387 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 550440304625 in words is "five hundred fifty billion, four hundred forty million, three hundred four thousand, six hundred twenty-five".