550651331 has 8 divisors (see below), whose sum is σ = 589136400. Its totient is φ = 513116640.

The previous prime is 550651319. The next prime is 550651393. The reversal of 550651331 is 133156055.

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 550651331 - 2¹⁸ = 550389187 is a prime.

It is a super-2 number, since 2×550651331² = 606433776664143122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550651294 and 550651303.

It is not an unprimeable number, because it can be changed into a prime (550651531) 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, 236396 + ... + 238713.

It is an arithmetic number, because the mean of its divisors is an integer number (73642050).

Almost surely, 2^550651331 is an apocalyptic number.

550651331 is a deficient number, since it is larger than the sum of its proper divisors (38485069).

550651331 is a wasteful number, since it uses less digits than its factorization.

550651331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475189.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 550651331 is about 23465.9611139199. The cubic root of 550651331 is about 819.6445668582.

The spelling of 550651331 in words is "five hundred fifty million, six hundred fifty-one thousand, three hundred thirty-one".