551312443 has 8 divisors (see below), whose sum is σ = 602807040. Its totient is φ = 500047080.

The previous prime is 551312441. The next prime is 551312483. The reversal of 551312443 is 344213155.

551312443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 551312443 - 2¹ = 551312441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551312441) 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, 52255 + ... + 61912.

It is an arithmetic number, because the mean of its divisors is an integer number (75350880).

Almost surely, 2^551312443 is an apocalyptic number.

551312443 is a deficient number, since it is larger than the sum of its proper divisors (51494597).

551312443 is a wasteful number, since it uses less digits than its factorization.

551312443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114617.

The product of its digits is 7200, while the sum is 28.

The square root of 551312443 is about 23480.0435050704. The cubic root of 551312443 is about 819.9724574330.

Adding to 551312443 its reverse (344213155), we get a palindrome (895525598).

It can be divided in two parts, 5513 and 12443, that added together give a square (17956 = 134²).

The spelling of 551312443 in words is "five hundred fifty-one million, three hundred twelve thousand, four hundred forty-three".