554428 has 12 divisors (see below), whose sum is σ = 1108912. Its totient is φ = 237600.

The previous prime is 554419. The next prime is 554431. The reversal of 554428 is 824455.

554428 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 19801 = 554428 / (5 + 5 + 4 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 554396 and 554405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873 + ... + 9928.

2⁵⁵⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

554428 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.

554428 is a wasteful number, since it uses less digits than its factorization.

554428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812 (or 19810 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 554428 is about 744.5992210579. The cubic root of 554428 is about 82.1514156534.

The spelling of 554428 in words is "five hundred fifty-four thousand, four hundred twenty-eight".