550530504 has 96 divisors (see below), whose sum is σ = 1537169400. Its totient is φ = 177914880.

The previous prime is 550530503. The next prime is 550530583. The reversal of 550530504 is 405035055.

It can be written as a sum of positive squares in 4 ways, for example, as 501670404 + 48860100 = 22398^2 + 6990^2 .

It is not an unprimeable number, because it can be changed into a prime (550530503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338814 + ... + 340434.

Almost surely, 2^550530504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550530504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768584700).

550530504 is an abundant number, since it is smaller than the sum of its proper divisors (986638896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550530504 is a wasteful number, since it uses less digits than its factorization.

550530504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 550530504 is about 23463.3864563494. The cubic root of 550530504 is about 819.5846121385.

Adding to 550530504 its reverse (405035055), we get a palindrome (955565559).

The spelling of 550530504 in words is "five hundred fifty million, five hundred thirty thousand, five hundred four".