551696 has 30 divisors (see below), whose sum is σ = 1134042. Its totient is φ = 259840.

The previous prime is 551693. The next prime is 551713. The reversal of 551696 is 696155.

It can be written as a sum of positive squares in 3 ways, for example, as 10000 + 541696 = 100^2 + 736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13436 + ... + 13476.

2⁵⁵¹⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567021).

551696 is an abundant number, since it is smaller than the sum of its proper divisors (582346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551696 is a wasteful number, since it uses less digits than its factorization.

551696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 72 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 551696 is about 742.7624115422. The cubic root of 551696 is about 82.0162569394.

The spelling of 551696 in words is "five hundred fifty-one thousand, six hundred ninety-six".