551435340323 has 16 divisors (see below), whose sum is σ = 637863641856. Its totient is φ = 466921047840.

The previous prime is 551435340301. The next prime is 551435340353. The reversal of 551435340323 is 323043534155.

It is a cyclic number.

It is not a de Polignac number, because 551435340323 - 2²⁶ = 551368231459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551435340353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7313888 + ... + 7388898.

It is an arithmetic number, because the mean of its divisors is an integer number (39866477616).

Almost surely, 2^551435340323 is an apocalyptic number.

551435340323 is a deficient number, since it is larger than the sum of its proper divisors (86428301533).

551435340323 is a wasteful number, since it uses less digits than its factorization.

551435340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87754.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 551435340323 its reverse (323043534155), we get a palindrome (874478874478).

The spelling of 551435340323 in words is "five hundred fifty-one billion, four hundred thirty-five million, three hundred forty thousand, three hundred twenty-three".