5550404 has 6 divisors (see below), whose sum is σ = 9713214. Its totient is φ = 2775200.

The previous prime is 5550403. The next prime is 5550427. The reversal of 5550404 is 4040555.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 1098304 = 2110^2 + 1048^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5550404.

It is not an unprimeable number, because it can be changed into a prime (5550401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693797 + ... + 693804.

It is an arithmetic number, because the mean of its divisors is an integer number (1618869).

Almost surely, 2^5550404 is an apocalyptic number.

It is an amenable number.

5550404 is a deficient number, since it is larger than the sum of its proper divisors (4162810).

5550404 is a wasteful number, since it uses less digits than its factorization.

5550404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387605 (or 1387603 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5550404 is about 2355.9295405423. The cubic root of 5550404 is about 177.0550011543.

Adding to 5550404 its reverse (4040555), we get a palindrome (9590959).

The spelling of 5550404 in words is "five million, five hundred fifty thousand, four hundred four".