545500223 has 8 divisors (see below), whose sum is σ = 569884896. Its totient is φ = 521171200.

The previous prime is 545500187. The next prime is 545500243. The reversal of 545500223 is 322005545.

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 545500223 - 2¹⁴ = 545483839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545500192 and 545500201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545500243) 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, 6803 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (71235612).

Almost surely, 2^545500223 is an apocalyptic number.

545500223 is a deficient number, since it is larger than the sum of its proper divisors (24384673).

545500223 is a wasteful number, since it uses less digits than its factorization.

545500223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27825.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 545500223 is about 23355.9462021987. The cubic root of 545500223 is about 817.0807474074.

Adding to 545500223 its reverse (322005545), we get a palindrome (867505768).

The spelling of 545500223 in words is "five hundred forty-five million, five hundred thousand, two hundred twenty-three".