551126231 has 8 divisors (see below), whose sum is σ = 554252160. Its totient is φ = 548008632.

The previous prime is 551126221. The next prime is 551126239. The reversal of 551126231 is 132621155.

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

It is a cyclic number.

It is not a de Polignac number, because 551126231 - 2⁶ = 551126167 is a prime.

It is a super-2 number, since 2×551126231² = 607480244992530722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551126231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551126239) 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, 167480 + ... + 170738.

It is an arithmetic number, because the mean of its divisors is an integer number (69281520).

Almost surely, 2^551126231 is an apocalyptic number.

551126231 is a deficient number, since it is larger than the sum of its proper divisors (3125929).

551126231 is a wasteful number, since it uses less digits than its factorization.

551126231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its digits is 1800, while the sum is 26.

The square root of 551126231 is about 23476.0778453301. The cubic root of 551126231 is about 819.8801287198.

Adding to 551126231 its reverse (132621155), we get a palindrome (683747386).

The spelling of 551126231 in words is "five hundred fifty-one million, one hundred twenty-six thousand, two hundred thirty-one".