550661204 has 12 divisors (see below), whose sum is σ = 972185844. Its totient is φ = 272893824.

The previous prime is 550661203. The next prime is 550661207. The reversal of 550661204 is 402166055.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 468722500 = 9052^2 + 21650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550661203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608687 + ... + 609590.

It is an arithmetic number, because the mean of its divisors is an integer number (81015487).

Almost surely, 2^550661204 is an apocalyptic number.

It is an amenable number.

550661204 is a deficient number, since it is larger than the sum of its proper divisors (421524640).

550661204 is a wasteful number, since it uses less digits than its factorization.

550661204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218394 (or 1218392 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 550661204 is about 23466.1714815178. The cubic root of 550661204 is about 819.6494654828.

The spelling of 550661204 in words is "five hundred fifty million, six hundred sixty-one thousand, two hundred four".