553506 has 8 divisors (see below), whose sum is σ = 1107024. Its totient is φ = 184500.

The previous prime is 553481. The next prime is 553507. The reversal of 553506 is 605355.

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

553506 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (553507) 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 3 ways as a sum of consecutive naturals, for example, 46120 + ... + 46131.

It is an arithmetic number, because the mean of its divisors is an integer number (138378).

2⁵⁵³⁵⁰⁶ is an apocalyptic number.

553506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553506 is a wasteful number, since it uses less digits than its factorization.

553506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92256.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 553506 is about 743.9798384365. The cubic root of 553506 is about 82.1058517986.

The spelling of 553506 in words is "five hundred fifty-three thousand, five hundred six".