554868 has 18 divisors (see below), whose sum is σ = 1402674. Its totient is φ = 184944.

The previous prime is 554849. The next prime is 554887. The reversal of 554868 is 868455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (554849) and next prime (554887).

It can be written as a sum of positive squares in only one way, i.e., 535824 + 19044 = 732^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15413 = 554868 / (5 + 5 + 4 + 8 + 6 + 8).

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 554868.

It is an unprimeable number.

554868 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 5 ways as a sum of consecutive naturals, for example, 7671 + ... + 7742.

2⁵⁵⁴⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

554868 is an abundant number, since it is smaller than the sum of its proper divisors (847806).

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

554868 is a wasteful number, since it uses less digits than its factorization.

554868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15423 (or 15418 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 554868 is about 744.8946234200. The cubic root of 554868 is about 82.1731419882.

The spelling of 554868 in words is "five hundred fifty-four thousand, eight hundred sixty-eight".