551226604 has 6 divisors (see below), whose sum is σ = 964646564. Its totient is φ = 275613300.

The previous prime is 551226583. The next prime is 551226607. The reversal of 551226604 is 406622155.

It is not an unprimeable number, because it can be changed into a prime (551226607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68903322 + ... + 68903329.

Almost surely, 2^551226604 is an apocalyptic number.

It is an amenable number.

551226604 is a deficient number, since it is larger than the sum of its proper divisors (413419960).

551226604 is a wasteful number, since it uses less digits than its factorization.

551226604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137806655 (or 137806653 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 551226604 is about 23478.2155199240. The cubic root of 551226604 is about 819.9298988258.

Adding to 551226604 its reverse (406622155), we get a palindrome (957848759).

The spelling of 551226604 in words is "five hundred fifty-one million, two hundred twenty-six thousand, six hundred four".