554985 has 16 divisors (see below), whose sum is σ = 986880. Its totient is φ = 295920.

The previous prime is 554977. The next prime is 555029. The reversal of 554985 is 589455.

It is a happy number.

It is not a de Polignac number, because 554985 - 2³ = 554977 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 554985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (61680).

2⁵⁵⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

554985 is a deficient number, since it is larger than the sum of its proper divisors (431895).

554985 is a wasteful number, since it uses less digits than its factorization.

554985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125 (or 4119 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 554985 is about 744.9731538787. The cubic root of 554985 is about 82.1789172848.

The spelling of 554985 in words is "five hundred fifty-four thousand, nine hundred eighty-five".