545587 has 8 divisors (see below), whose sum is σ = 639072. Its totient is φ = 456000.

The previous prime is 545579. The next prime is 545599. The reversal of 545587 is 785545.

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 545587 - 2³ = 545579 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (545527) 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, 664 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (79884).

2⁵⁴⁵⁵⁸⁷ is an apocalyptic number.

545587 is a deficient number, since it is larger than the sum of its proper divisors (93485).

545587 is a wasteful number, since it uses less digits than its factorization.

545587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 28000, while the sum is 34.

The square root of 545587 is about 738.6386125840. The cubic root of 545587 is about 81.7124071592.

The spelling of 545587 in words is "five hundred forty-five thousand, five hundred eighty-seven".