550430504 has 32 divisors (see below), whose sum is σ = 1116108840. Its totient is φ = 252979200.

The previous prime is 550430501. The next prime is 550430509. The reversal of 550430504 is 405034055.

It can be written as a sum of positive squares in 4 ways, for example, as 501849604 + 48580900 = 22402^2 + 6970^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (550430501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14084 + ... + 36044.

Almost surely, 2^550430504 is an apocalyptic number.

It is an amenable number.

550430504 is an abundant number, since it is smaller than the sum of its proper divisors (565678336).

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

550430504 is a wasteful number, since it uses less digits than its factorization.

550430504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221 (or 22217 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 550430504 is about 23461.2553798811. The cubic root of 550430504 is about 819.5349852038.

Adding to 550430504 its reverse (405034055), we get a palindrome (955464559).

The spelling of 550430504 in words is "five hundred fifty million, four hundred thirty thousand, five hundred four".