554040 has 112 divisors (see below), whose sum is σ = 1967400. Its totient is φ = 139968.
The previous prime is 554017. The next prime is 554051. The reversal of 554040 is 40455.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29151 + ... + 29169.
2554040 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 554040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983700).
554040 is an abundant number, since it is smaller than the sum of its proper divisors (1413360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
554040 is a wasteful number, since it uses less digits than its factorization.
554040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48 (or 29 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 554040 is about 744.3386326129. The cubic root of 554040 is about 82.1322474370.
Adding to 554040 its reverse (40455), we get a palindrome (594495).
It can be divided in two parts, 55 and 4040, that added together give a triangular number (4095 = T90).
The spelling of 554040 in words is "five hundred fifty-four thousand, forty".
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