553994 has 12 divisors (see below), whose sum is σ = 966834. Its totient is φ = 237384.

The previous prime is 553991. The next prime is 554003. The reversal of 553994 is 499355.

It can be written as a sum of positive squares in only one way, i.e., 405769 + 148225 = 637^2 + 385^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553994.

It is not an unprimeable number, because it can be changed into a prime (553991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2729 + ... + 2924.

2⁵⁵³⁹⁹⁴ is an apocalyptic number.

553994 is a deficient number, since it is larger than the sum of its proper divisors (412840).

553994 is a wasteful number, since it uses less digits than its factorization.

553994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5662 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 553994 is about 744.3077320571. The cubic root of 553994 is about 82.1299743231.

The spelling of 553994 in words is "five hundred fifty-three thousand, nine hundred ninety-four".