551504504401333 has 8 divisors (see below), whose sum is σ = 633278022658880. Its totient is φ = 470477776265280.

The previous prime is 551504504401327. The next prime is 551504504401343. The reversal of 551504504401333 is 333104405405155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551504504401333 - 2⁴¹ = 549305481145781 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 551504504401333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551504504401343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186697528788 + ... + 186697531741.

It is an arithmetic number, because the mean of its divisors is an integer number (79159752832360).

Almost surely, 2^{551504504401333} is an apocalyptic number.

It is an amenable number.

551504504401333 is a deficient number, since it is larger than the sum of its proper divisors (81773518257547).

551504504401333 is a wasteful number, since it uses less digits than its factorization.

551504504401333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373395060747.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 551504504401333 its reverse (333104405405155), we get a palindrome (884608909806488).

The spelling of 551504504401333 in words is "five hundred fifty-one trillion, five hundred four billion, five hundred four million, four hundred one thousand, three hundred thirty-three".