551123324 has 12 divisors (see below), whose sum is σ = 971405400. Its totient is φ = 273578928.

The previous prime is 551123299. The next prime is 551123327. The reversal of 551123324 is 423321155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 551123293 and 551123302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551123327) 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, 495059 + ... + 496170.

It is an arithmetic number, because the mean of its divisors is an integer number (80950450).

Almost surely, 2^551123324 is an apocalyptic number.

It is an amenable number.

551123324 is a deficient number, since it is larger than the sum of its proper divisors (420282076).

551123324 is a wasteful number, since it uses less digits than its factorization.

551123324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991372 (or 991370 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 551123324 is about 23476.0159311583. The cubic root of 551123324 is about 819.8786871894.

Adding to 551123324 its reverse (423321155), we get a palindrome (974444479).

The spelling of 551123324 in words is "five hundred fifty-one million, one hundred twenty-three thousand, three hundred twenty-four".