551676 has 24 divisors (see below), whose sum is σ = 1329664. Its totient is φ = 177840.

The previous prime is 551671. The next prime is 551689. The reversal of 551676 is 676155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551671) by changing a digit.

551676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 1113.

2⁵⁵¹⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

551676 is an abundant number, since it is smaller than the sum of its proper divisors (777988).

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

551676 is a wasteful number, since it uses less digits than its factorization.

551676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1519 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 551676 is about 742.7489481649. The cubic root of 551676 is about 82.0152658471.

It can be divided in two parts, 5 and 51676, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 551676 in words is "five hundred fifty-one thousand, six hundred seventy-six".