545322311 has 4 divisors (see below), whose sum is σ = 577400112. Its totient is φ = 513244512.

The previous prime is 545322307. The next prime is 545322343. The reversal of 545322311 is 113223545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545322311 - 2² = 545322307 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 (545322511) 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, 16038875 + ... + 16038908.

It is an arithmetic number, because the mean of its divisors is an integer number (144350028).

Almost surely, 2^545322311 is an apocalyptic number.

545322311 is a deficient number, since it is larger than the sum of its proper divisors (32077801).

545322311 is a wasteful number, since it uses less digits than its factorization.

545322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32077800.

The product of its digits is 3600, while the sum is 26.

The square root of 545322311 is about 23352.1371827077. The cubic root of 545322311 is about 816.9919089001.

Adding to 545322311 its reverse (113223545), we get a palindrome (658545856).

The spelling of 545322311 in words is "five hundred forty-five million, three hundred twenty-two thousand, three hundred eleven".