545677 has 8 divisors (see below), whose sum is σ = 601920. Its totient is φ = 490560.

The previous prime is 545663. The next prime is 545711. The reversal of 545677 is 776545.

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 545677 - 2⁷ = 545549 is a prime.

545677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545617) 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, 1024 + ... + 1462.

It is an arithmetic number, because the mean of its divisors is an integer number (75240).

2⁵⁴⁵⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

545677 is a deficient number, since it is larger than the sum of its proper divisors (56243).

545677 is a wasteful number, since it uses less digits than its factorization.

545677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its digits is 29400, while the sum is 34.

The square root of 545677 is about 738.6995329632. The cubic root of 545677 is about 81.7169000035.

The spelling of 545677 in words is "five hundred forty-five thousand, six hundred seventy-seven".