553838 has 4 divisors (see below), whose sum is σ = 830760. Its totient is φ = 276918.

The previous prime is 553837. The next prime is 553849. The reversal of 553838 is 838355.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

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 553838.

It is not an unprimeable number, because it can be changed into a prime (553837) by changing a digit.

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 as a sum of consecutive naturals, namely, 138458 + ... + 138461.

It is an arithmetic number, because the mean of its divisors is an integer number (207690).

2⁵⁵³⁸³⁸ is an apocalyptic number.

553838 is a deficient number, since it is larger than the sum of its proper divisors (276922).

553838 is a wasteful number, since it uses less digits than its factorization.

553838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276921.

The product of its digits is 14400, while the sum is 32.

The square root of 553838 is about 744.2029293143. The cubic root of 553838 is about 82.1222645653.

The spelling of 553838 in words is "five hundred fifty-three thousand, eight hundred thirty-eight".