554840 has 64 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 184320.

The previous prime is 554839. The next prime is 554843. The reversal of 554840 is 48455.

554840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554843) 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, 5672 + ... + 5768.

2⁵⁵⁴⁸⁴⁰ 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 554840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740880).

554840 is an abundant number, since it is smaller than the sum of its proper divisors (926920).

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

554840 is a wasteful number, since it uses less digits than its factorization.

554840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 554840 is about 744.8758285782. The cubic root of 554840 is about 82.1717597455.

It can be divided in two parts, 5 and 54840, that added together give a palindrome (54845).

The spelling of 554840 in words is "five hundred fifty-four thousand, eight hundred forty".