551032243 has 16 divisors (see below), whose sum is σ = 587347200. Its totient is φ = 515492640.

The previous prime is 551032213. The next prime is 551032249. The reversal of 551032243 is 342230155.

It is a cyclic number.

It is not a de Polignac number, because 551032243 - 2¹⁷ = 550901171 is a prime.

It is a super-2 number, since 2×551032243² = 607273065651222098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551032249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669130 + ... + 669952.

It is an arithmetic number, because the mean of its divisors is an integer number (36709200).

Almost surely, 2^551032243 is an apocalyptic number.

551032243 is a deficient number, since it is larger than the sum of its proper divisors (36314957).

551032243 is a wasteful number, since it uses less digits than its factorization.

551032243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 551032243 is about 23474.0759775545. The cubic root of 551032243 is about 819.8335191471.

Adding to 551032243 its reverse (342230155), we get a palindrome (893262398).

The spelling of 551032243 in words is "five hundred fifty-one million, thirty-two thousand, two hundred forty-three".