553806 has 24 divisors (see below), whose sum is σ = 1309464. Its totient is φ = 167760.

The previous prime is 553789. The next prime is 553811. The reversal of 553806 is 608355.

553806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 553806.

It is a congruent number.

It is an unprimeable number.

553806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (54561).

2⁵⁵³⁸⁰⁶ is an apocalyptic number.

553806 is an abundant number, since it is smaller than the sum of its proper divisors (755658).

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

553806 is a wasteful number, since it uses less digits than its factorization.

553806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 553806 is about 744.1814294915. The cubic root of 553806 is about 82.1206828975.

The spelling of 553806 in words is "five hundred fifty-three thousand, eight hundred six".