551454222013 has 4 divisors (see below), whose sum is σ = 564278738848. Its totient is φ = 538629705180.

The previous prime is 551454221951. The next prime is 551454222017. The reversal of 551454222013 is 310222454155.

It is a happy number.

551454222013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310222454155 = 5 ⋅62044490831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551454222013 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 551454222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551454222017) 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, 6412258353 + ... + 6412258438.

It is an arithmetic number, because the mean of its divisors is an integer number (141069684712).

Almost surely, 2^551454222013 is an apocalyptic number.

It is an amenable number.

551454222013 is a deficient number, since it is larger than the sum of its proper divisors (12824516835).

551454222013 is a wasteful number, since it uses less digits than its factorization.

551454222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824516834.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 551454222013 its reverse (310222454155), we get a palindrome (861676676168).

The spelling of 551454222013 in words is "five hundred fifty-one billion, four hundred fifty-four million, two hundred twenty-two thousand, thirteen".