551226313 has 8 divisors (see below), whose sum is σ = 602048160. Its totient is φ = 500522880.

The previous prime is 551226307. The next prime is 551226337. The reversal of 551226313 is 313622155.

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

It is not a de Polignac number, because 551226313 - 2⁵ = 551226281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551226413) 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, 19720 + ... + 38617.

It is an arithmetic number, because the mean of its divisors is an integer number (75256020).

Almost surely, 2^551226313 is an apocalyptic number.

It is an amenable number.

551226313 is a deficient number, since it is larger than the sum of its proper divisors (50821847).

551226313 is a wasteful number, since it uses less digits than its factorization.

551226313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59207.

The product of its digits is 5400, while the sum is 28.

The square root of 551226313 is about 23478.2093226890. The cubic root of 551226313 is about 819.9297545418.

Adding to 551226313 its reverse (313622155), we get a palindrome (864848468).

The spelling of 551226313 in words is "five hundred fifty-one million, two hundred twenty-six thousand, three hundred thirteen".