551444520353 has 16 divisors (see below), whose sum is σ = 589672676736. Its totient is φ = 514440326400.

The previous prime is 551444520349. The next prime is 551444520373. The reversal of 551444520353 is 353025444155.

It is a cyclic number.

It is not a de Polignac number, because 551444520353 - 2² = 551444520349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551444520353.

It is not an unprimeable number, because it can be changed into a prime (551444520313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257753 + ... + 1081353.

It is an arithmetic number, because the mean of its divisors is an integer number (36854542296).

Almost surely, 2^551444520353 is an apocalyptic number.

It is an amenable number.

551444520353 is a deficient number, since it is larger than the sum of its proper divisors (38228156383).

551444520353 is a wasteful number, since it uses less digits than its factorization.

551444520353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824344.

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

The spelling of 551444520353 in words is "five hundred fifty-one billion, four hundred forty-four million, five hundred twenty thousand, three hundred fifty-three".