551343400133 has 4 divisors (see below), whose sum is σ = 554423531040. Its totient is φ = 548263269228.

The previous prime is 551343400103. The next prime is 551343400151. The reversal of 551343400133 is 331004343155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551343400133 - 2³² = 547048432837 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 551343400133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551343400103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540065185 + ... + 1540065542.

It is an arithmetic number, because the mean of its divisors is an integer number (138605882760).

Almost surely, 2^551343400133 is an apocalyptic number.

It is an amenable number.

551343400133 is a deficient number, since it is larger than the sum of its proper divisors (3080130907).

551343400133 is a wasteful number, since it uses less digits than its factorization.

551343400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080130906.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 551343400133 its reverse (331004343155), we get a palindrome (882347743288).

The spelling of 551343400133 in words is "five hundred fifty-one billion, three hundred forty-three million, four hundred thousand, one hundred thirty-three".