551198343 has 4 divisors (see below), whose sum is σ = 734931128. Its totient is φ = 367465560.

The previous prime is 551198311. The next prime is 551198353. The reversal of 551198343 is 343891155.

551198343 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.

It is not a de Polignac number, because 551198343 - 2⁵ = 551198311 is a prime.

It is a super-2 number, since 2×551198343² = 607639226651891298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551198353) 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, 91866388 + ... + 91866393.

It is an arithmetic number, because the mean of its divisors is an integer number (183732782).

Almost surely, 2^551198343 is an apocalyptic number.

551198343 is a deficient number, since it is larger than the sum of its proper divisors (183732785).

551198343 is a wasteful number, since it uses less digits than its factorization.

551198343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183732784.

The product of its digits is 64800, while the sum is 39.

The square root of 551198343 is about 23477.6136564175. The cubic root of 551198343 is about 819.9158861768.

The spelling of 551198343 in words is "five hundred fifty-one million, one hundred ninety-eight thousand, three hundred forty-three".