554905 has 8 divisors (see below), whose sum is σ = 717192. Its totient is φ = 409728.

The previous prime is 554899. The next prime is 554923. The reversal of 554905 is 509455.

It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 491401 = 252^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554905 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

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 7 ways as a sum of consecutive naturals, for example, 4204 + ... + 4333.

It is an arithmetic number, because the mean of its divisors is an integer number (89649).

2⁵⁵⁴⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

554905 is a deficient number, since it is larger than the sum of its proper divisors (162287).

554905 is a wasteful number, since it uses less digits than its factorization.

554905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 554905 is about 744.9194587336. The cubic root of 554905 is about 82.1749684518.

The spelling of 554905 in words is "five hundred fifty-four thousand, nine hundred five".