551324420543 has 8 divisors (see below), whose sum is σ = 594616220688. Its totient is φ = 508158653184.

The previous prime is 551324420509. The next prime is 551324420551. The reversal of 551324420543 is 345024423155.

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

It is not a de Polignac number, because 551324420543 - 2²⁰ = 551323371967 is a prime.

It is a super-4 number, since 4×551324420543⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551324420497 and 551324420506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551324422543) 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, 31499105 + ... + 31516602.

It is an arithmetic number, because the mean of its divisors is an integer number (74327027586).

Almost surely, 2^551324420543 is an apocalyptic number.

551324420543 is a deficient number, since it is larger than the sum of its proper divisors (43291800145).

551324420543 is a wasteful number, since it uses less digits than its factorization.

551324420543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63016393.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 551324420543 its reverse (345024423155), we get a palindrome (896348843698).

The spelling of 551324420543 in words is "five hundred fifty-one billion, three hundred twenty-four million, four hundred twenty thousand, five hundred forty-three".