553321404044 has 24 divisors (see below), whose sum is σ = 970496217600. Its totient is φ = 276037272576.

The previous prime is 553321403953. The next prime is 553321404061. The reversal of 553321404044 is 440404123355.

It is a junction number, because it is equal to n+sod(n) for n = 553321403995 and 553321404013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436789 + ... + 4559795.

It is an arithmetic number, because the mean of its divisors is an integer number (40437342400).

Almost surely, 2^553321404044 is an apocalyptic number.

It is an amenable number.

553321404044 is a deficient number, since it is larger than the sum of its proper divisors (417174813556).

553321404044 is a wasteful number, since it uses less digits than its factorization.

553321404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125537 (or 125535 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 553321404044 its reverse (440404123355), we get a palindrome (993725527399).

The spelling of 553321404044 in words is "five hundred fifty-three billion, three hundred twenty-one million, four hundred four thousand, forty-four".