551530241 has 8 divisors (see below), whose sum is σ = 560183400. Its totient is φ = 542931840.

The previous prime is 551530211. The next prime is 551530247. The reversal of 551530241 is 142035155.

551530241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39639616 + 511890625 = 6296^2 + 22625^2 .

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 551530241 - 2¹⁸ = 551268097 is a prime.

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 551530241.

It is not an unprimeable number, because it can be changed into a prime (551530247) 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, 6851 + ... + 33911.

It is an arithmetic number, because the mean of its divisors is an integer number (70022925).

Almost surely, 2^551530241 is an apocalyptic number.

It is an amenable number.

551530241 is a deficient number, since it is larger than the sum of its proper divisors (8653159).

551530241 is a wasteful number, since it uses less digits than its factorization.

551530241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27379.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 551530241 is about 23484.6809856979. The cubic root of 551530241 is about 820.0804209247.

Adding to 551530241 its reverse (142035155), we get a palindrome (693565396).

The spelling of 551530241 in words is "five hundred fifty-one million, five hundred thirty thousand, two hundred forty-one".