5531803220 has 18 divisors (see below), whose sum is σ = 11617485306. Its totient is φ = 2212588240.

The previous prime is 5531803187. The next prime is 5531803223. The reversal of 5531803220 is 223081355.

It can be written as a sum of positive squares in only one way, i.e., 4425442576 + 1106360644 = 66524^2 + 33262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531803223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324305 + ... + 340935.

Almost surely, 2^5531803220 is an apocalyptic number.

It is an amenable number.

5531803220 is an abundant number, since it is smaller than the sum of its proper divisors (6085682086).

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

5531803220 is an frugal number, since it uses more digits than its factorization.

5531803220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33271 (or 16638 counting only the distinct ones).

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

The square root of 5531803220 is about 74376.0930675980. The cubic root of 5531803220 is about 1768.5699473018.

Adding to 5531803220 its reverse (223081355), we get a palindrome (5754884575).

The spelling of 5531803220 in words is "five billion, five hundred thirty-one million, eight hundred three thousand, two hundred twenty".