545887 has 8 divisors (see below), whose sum is σ = 584496. Its totient is φ = 508032.

The previous prime is 545873. The next prime is 545893. The reversal of 545887 is 788545.

545887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 545887 - 2⁷ = 545759 is a prime.

It is a Duffinian number.

545887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545827) 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, 2673 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (73062).

2⁵⁴⁵⁸⁸⁷ is an apocalyptic number.

545887 is a deficient number, since it is larger than the sum of its proper divisors (38609).

545887 is a wasteful number, since it uses less digits than its factorization.

545887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 44800, while the sum is 37.

The square root of 545887 is about 738.8416609802. The cubic root of 545887 is about 81.7273813860.

The spelling of 545887 in words is "five hundred forty-five thousand, eight hundred eighty-seven".