554816 has 14 divisors (see below), whose sum is σ = 1101090. Its totient is φ = 277376.

The previous prime is 554803. The next prime is 554821. The reversal of 554816 is 618455.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 462400 + 92416 = 680^2 + 304^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

554816 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271 + ... + 4398.

2⁵⁵⁴⁸¹⁶ is an apocalyptic number.

It is an amenable number.

554816 is a deficient number, since it is larger than the sum of its proper divisors (546274).

554816 is an equidigital number, since it uses as much as digits as its factorization.

554816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8681 (or 8671 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 554816 is about 744.8597183363. The cubic root of 554816 is about 82.1705749290.

The spelling of 554816 in words is "five hundred fifty-four thousand, eight hundred sixteen".