553481 has 2 divisors, whose sum is σ = 553482. Its totient is φ = 553480.

The previous prime is 553471. The next prime is 553507. The reversal of 553481 is 184355.

It is an a-pointer prime, because the next prime (553507) can be obtained adding 553481 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 234256 = 565^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 553481 - 2⁶ = 553417 is a prime.

It is a super-2 number, since 2×553481² = 612682434722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 553481.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553411) 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 as a sum of consecutive naturals, namely, 276740 + 276741.

It is an arithmetic number, because the mean of its divisors is an integer number (276741).

2⁵⁵³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

553481 is a deficient number, since it is larger than the sum of its proper divisors (1).

553481 is an equidigital number, since it uses as much as digits as its factorization.

553481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 553481 is about 743.9630367162. The cubic root of 553481 is about 82.1046156318.

The spelling of 553481 in words is "five hundred fifty-three thousand, four hundred eighty-one".