551116 has 12 divisors (see below), whose sum is σ = 997920. Its totient is φ = 266000.

The previous prime is 551113. The next prime is 551129. The reversal of 551116 is 611155.

It is a junction number, because it is equal to n+sod(n) for n = 551093 and 551102.

It is not an unprimeable number, because it can be changed into a prime (551113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁵⁵¹¹¹⁶ is an apocalyptic number.

It is an amenable number.

551116 is a deficient number, since it is larger than the sum of its proper divisors (446804).

551116 is a wasteful number, since it uses less digits than its factorization.

551116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4782 counting only the distinct ones).

The product of its digits is 150, while the sum is 19.

The square root of 551116 is about 742.3718744672. The cubic root of 551116 is about 81.9875055323.

The spelling of 551116 in words is "five hundred fifty-one thousand, one hundred sixteen".