551834 has 4 divisors (see below), whose sum is σ = 827754. Its totient is φ = 275916.

The previous prime is 551813. The next prime is 551843. The reversal of 551834 is 438155.

551834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438155 = 5 ⋅87631.

It can be written as a sum of positive squares in only one way, i.e., 418609 + 133225 = 647^2 + 365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137957 + ... + 137960.

2⁵⁵¹⁸³⁴ is an apocalyptic number.

551834 is a deficient number, since it is larger than the sum of its proper divisors (275920).

551834 is a wasteful number, since it uses less digits than its factorization.

551834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275919.

The product of its digits is 2400, while the sum is 26.

The square root of 551834 is about 742.8553021955. The cubic root of 551834 is about 82.0230948234.

Adding to 551834 its reverse (438155), we get a palindrome (989989).

The spelling of 551834 in words is "five hundred fifty-one thousand, eight hundred thirty-four".