551310812 has 12 divisors (see below), whose sum is σ = 1039008936. Its totient is φ = 254451120.

The previous prime is 551310803. The next prime is 551310827. The reversal of 551310812 is 218013155.

It is a happy number.

551310812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551310812² = 607887222856198688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5301014 + ... + 5301117.

It is an arithmetic number, because the mean of its divisors is an integer number (86584078).

Almost surely, 2^551310812 is an apocalyptic number.

551310812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

551310812 is a deficient number, since it is larger than the sum of its proper divisors (487698124).

551310812 is a wasteful number, since it uses less digits than its factorization.

551310812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602148 (or 10602146 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 551310812 is about 23480.0087734226. The cubic root of 551310812 is about 819.9716488314.

Adding to 551310812 its reverse (218013155), we get a palindrome (769323967).

The spelling of 551310812 in words is "five hundred fifty-one million, three hundred ten thousand, eight hundred twelve".