550511554344 has 32 divisors (see below), whose sum is σ = 1395663099840. Its totient is φ = 180919289600.

The previous prime is 550511554301. The next prime is 550511554361. The reversal of 550511554344 is 443455115055.

It is a junction number, because it is equal to n+sod(n) for n = 550511554296 and 550511554305.

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, 161533377 + ... + 161536784.

It is an arithmetic number, because the mean of its divisors is an integer number (43614471870).

Almost surely, 2^550511554344 is an apocalyptic number.

It is an amenable number.

550511554344 is an abundant number, since it is smaller than the sum of its proper divisors (845151545496).

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

550511554344 is a wasteful number, since it uses less digits than its factorization.

550511554344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323070241 (or 323070237 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 550511554344 its reverse (443455115055), we get a palindrome (993966669399).

The spelling of 550511554344 in words is "five hundred fifty billion, five hundred eleven million, five hundred fifty-four thousand, three hundred forty-four".