550894 has 4 divisors (see below), whose sum is σ = 826344. Its totient is φ = 275446.

The previous prime is 550861. The next prime is 550903. The reversal of 550894 is 498055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498055 = 5 ⋅99611.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137722 + ... + 137725.

It is an arithmetic number, because the mean of its divisors is an integer number (206586).

2⁵⁵⁰⁸⁹⁴ is an apocalyptic number.

550894 is a deficient number, since it is larger than the sum of its proper divisors (275450).

550894 is a wasteful number, since it uses less digits than its factorization.

550894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275449.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 550894 is about 742.2223386560. Note that the first 3 decimals coincide. The cubic root of 550894 is about 81.9764953453.

It can be divided in two parts, 550 and 894, that added together give a square (1444 = 38²).

The spelling of 550894 in words is "five hundred fifty thousand, eight hundred ninety-four".