551044450530401 has 12 divisors (see below), whose sum is σ = 576047640741888. Its totient is φ = 527083192653864.

The previous prime is 551044450530397. The next prime is 551044450530491. The reversal of 551044450530401 is 104035054440155.

It is not a de Polignac number, because 551044450530401 - 2² = 551044450530397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551044450530491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100409696 + ... + 105755358.

It is an arithmetic number, because the mean of its divisors is an integer number (48003970061824).

Almost surely, 2^{551044450530401} is an apocalyptic number.

It is an amenable number.

551044450530401 is a deficient number, since it is larger than the sum of its proper divisors (25003190211487).

551044450530401 is a wasteful number, since it uses less digits than its factorization.

551044450530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540572 (or 5540549 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 551044450530401 in words is "five hundred fifty-one trillion, forty-four billion, four hundred fifty million, five hundred thirty thousand, four hundred one".