551596 has 12 divisors (see below), whose sum is σ = 991648. Its totient is φ = 268272.

The previous prime is 551587. The next prime is 551597. The reversal of 551596 is 695155.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551597) by changing a digit.

551596 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 in 3 ways as a sum of consecutive naturals, for example, 1716 + ... + 2011.

2⁵⁵¹⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

551596 is a deficient number, since it is larger than the sum of its proper divisors (440052).

551596 is a wasteful number, since it uses less digits than its factorization.

551596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3766 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 551596 is about 742.6950922148. The cubic root of 551596 is about 82.0113012383.

The spelling of 551596 in words is "five hundred fifty-one thousand, five hundred ninety-six".