551912 has 16 divisors (see below), whose sum is σ = 1089600. Its totient is φ = 261360.

The previous prime is 551911. The next prime is 551917. The reversal of 551912 is 219155.

551912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551911) 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, 1664 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (68100).

2⁵⁵¹⁹¹² is an apocalyptic number.

It is an amenable number.

551912 is a deficient number, since it is larger than the sum of its proper divisors (537688).

551912 is a wasteful number, since it uses less digits than its factorization.

551912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3652 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 551912 is about 742.9078004706. The cubic root of 551912 is about 82.0269592102.

It can be divided in two parts, 5 and 51912, that multiplied together give a triangular number (259560 = T₇₂₀).

The spelling of 551912 in words is "five hundred fifty-one thousand, nine hundred twelve".