551104055444 has 12 divisors (see below), whose sum is σ = 966121123968. Its totient is φ = 275069448600.

The previous prime is 551104055431. The next prime is 551104055449. The reversal of 551104055444 is 444550401155.

It is a junction number, because it is equal to n+sod(n) for n = 551104055398 and 551104055407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551104055449) 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, 120642212 + ... + 120646779.

It is an arithmetic number, because the mean of its divisors is an integer number (80510093664).

Almost surely, 2^551104055444 is an apocalyptic number.

It is an amenable number.

551104055444 is a deficient number, since it is larger than the sum of its proper divisors (415017068524).

551104055444 is a wasteful number, since it uses less digits than its factorization.

551104055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241289566 (or 241289564 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 551104055444 its reverse (444550401155), we get a palindrome (995654456599).

The spelling of 551104055444 in words is "five hundred fifty-one billion, one hundred four million, fifty-five thousand, four hundred forty-four".