551677 has 8 divisors (see below), whose sum is σ = 642816. Its totient is φ = 463632.

The previous prime is 551671. The next prime is 551689. The reversal of 551677 is 776155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551677 - 2⁷ = 551549 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2⁵⁵¹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

551677 is a deficient number, since it is larger than the sum of its proper divisors (91139).

551677 is a wasteful number, since it uses less digits than its factorization.

551677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its digits is 7350, while the sum is 31.

The square root of 551677 is about 742.7496213395. The cubic root of 551677 is about 82.0153154023.

It can be divided in two parts, 55 and 1677, that multiplied together give a triangular number (92235 = T₄₂₉).

The spelling of 551677 in words is "five hundred fifty-one thousand, six hundred seventy-seven".