554820 has 48 divisors (see below), whose sum is σ = 1776768. Its totient is φ = 126720.

The previous prime is 554803. The next prime is 554821. The reversal of 554820 is 28455.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (554821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (37016).

2⁵⁵⁴⁸²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888384).

554820 is an abundant number, since it is smaller than the sum of its proper divisors (1221948).

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

554820 is a wasteful number, since it uses less digits than its factorization.

554820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 554820 is about 744.8624034008. The cubic root of 554820 is about 82.1707724008.

The spelling of 554820 in words is "five hundred fifty-four thousand, eight hundred twenty".