551317363 has 4 divisors (see below), whose sum is σ = 551598768. Its totient is φ = 551035960.

The previous prime is 551317307. The next prime is 551317369. The reversal of 551317363 is 363713155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551317363 - 2²⁹ = 14446451 is a prime.

It is a super-3 number, since 3×551317363³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551317369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137743 + ... + 141688.

It is an arithmetic number, because the mean of its divisors is an integer number (137899692).

Almost surely, 2^551317363 is an apocalyptic number.

551317363 is a deficient number, since it is larger than the sum of its proper divisors (281405).

551317363 is a wasteful number, since it uses less digits than its factorization.

551317363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281404.

The product of its digits is 28350, while the sum is 34.

The square root of 551317363 is about 23480.1482746596. The cubic root of 551317363 is about 819.9748966140.

The spelling of 551317363 in words is "five hundred fifty-one million, three hundred seventeen thousand, three hundred sixty-three".