555838 has 4 divisors (see below), whose sum is σ = 833760. Its totient is φ = 277918.

The previous prime is 555829. The next prime is 555853. The reversal of 555838 is 838555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838555 = 5 ⋅167711.

It is a congruent number.

It is an unprimeable number.

555838 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, 138958 + ... + 138961.

It is an arithmetic number, because the mean of its divisors is an integer number (208440).

2⁵⁵⁵⁸³⁸ is an apocalyptic number.

555838 is a deficient number, since it is larger than the sum of its proper divisors (277922).

555838 is a wasteful number, since it uses less digits than its factorization.

555838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277921.

The product of its digits is 24000, while the sum is 34.

The square root of 555838 is about 745.5454379178. The cubic root of 555838 is about 82.2209981421.

The spelling of 555838 in words is "five hundred fifty-five thousand, eight hundred thirty-eight".