553281 has 8 divisors (see below), whose sum is σ = 755040. Its totient is φ = 360192.

The previous prime is 553279. The next prime is 553309. The reversal of 553281 is 182355.

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

It is not a de Polignac number, because 553281 - 2¹ = 553279 is a prime.

It is a super-2 number, since 2×553281² = 612239729922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (94380).

2⁵⁵³²⁸¹ is an apocalyptic number.

It is an amenable number.

553281 is a deficient number, since it is larger than the sum of its proper divisors (201759).

553281 is a wasteful number, since it uses less digits than its factorization.

553281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its digits is 1200, while the sum is 24.

The square root of 553281 is about 743.8286092911. The cubic root of 553281 is about 82.0947249572.

The spelling of 553281 in words is "five hundred fifty-three thousand, two hundred eighty-one".