550340313 has 8 divisors (see below), whose sum is σ = 736147776. Its totient is φ = 365713200.

The previous prime is 550340299. The next prime is 550340347. The reversal of 550340313 is 313043055.

It is a happy number.

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

It is not a de Polignac number, because 550340313 - 2¹⁰ = 550339289 is a prime.

It is a super-2 number, since 2×550340313² = 605748920225875938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550340513) 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, 293998 + ... + 295863.

It is an arithmetic number, because the mean of its divisors is an integer number (92018472).

Almost surely, 2^550340313 is an apocalyptic number.

It is an amenable number.

550340313 is a deficient number, since it is larger than the sum of its proper divisors (185807463).

550340313 is a wasteful number, since it uses less digits than its factorization.

550340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590175.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 550340313 is about 23459.3331746663. Note that the first 3 decimals coincide. The cubic root of 550340313 is about 819.4902210197.

Adding to 550340313 its reverse (313043055), we get a palindrome (863383368).

The spelling of 550340313 in words is "five hundred fifty million, three hundred forty thousand, three hundred thirteen".