551712 has 48 divisors (see below), whose sum is σ = 1657152. Its totient is φ = 157440.

The previous prime is 551693. The next prime is 551713. The reversal of 551712 is 217155.

551712 = T₉₈ + T₉₉ + ... + T₁₆₁.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×551712² = 608772261888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (551713) 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 7 ways as a sum of consecutive naturals, for example, 262 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (34524).

2⁵⁵¹⁷¹² 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 551712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828576).

551712 is an abundant number, since it is smaller than the sum of its proper divisors (1105440).

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

551712 is a wasteful number, since it uses less digits than its factorization.

551712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 833 counting only the distinct ones).

The product of its digits is 350, while the sum is 21.

The square root of 551712 is about 742.7731820684. The cubic root of 551712 is about 82.0170497960.

Adding to 551712 its reverse (217155), we get a palindrome (768867).

The spelling of 551712 in words is "five hundred fifty-one thousand, seven hundred twelve".