551444055323 has 16 divisors (see below), whose sum is σ = 637863184896. Its totient is φ = 466936142400.

The previous prime is 551444055181. The next prime is 551444055343. The reversal of 551444055323 is 323550444155.

It is not a de Polignac number, because 551444055323 - 2¹⁴ = 551444038939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551444055343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10072223 + ... + 10126823.

It is an arithmetic number, because the mean of its divisors is an integer number (39866449056).

Almost surely, 2^551444055323 is an apocalyptic number.

551444055323 is a deficient number, since it is larger than the sum of its proper divisors (86419129573).

551444055323 is a wasteful number, since it uses less digits than its factorization.

551444055323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72074.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 551444055323 its reverse (323550444155), we get a palindrome (874994499478).

The spelling of 551444055323 in words is "five hundred fifty-one billion, four hundred forty-four million, fifty-five thousand, three hundred twenty-three".