544087 has 4 divisors (see below), whose sum is σ = 549576. Its totient is φ = 538600.

The previous prime is 544031. The next prime is 544097. The reversal of 544087 is 780445.

544087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780445 = 5 ⋅156089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544087 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 (544007) 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, 2593 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (137394).

2⁵⁴⁴⁰⁸⁷ is an apocalyptic number.

544087 is a deficient number, since it is larger than the sum of its proper divisors (5489).

544087 is a wasteful number, since it uses less digits than its factorization.

544087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 544087 is about 737.6225321938. The cubic root of 544087 is about 81.6374535710.

The spelling of 544087 in words is "five hundred forty-four thousand, eighty-seven".