545516111 has 24 divisors (see below), whose sum is σ = 678533856. Its totient is φ = 429281280.

The previous prime is 545516063. The next prime is 545516117. The reversal of 545516111 is 111615545.

It is not a de Polignac number, because 545516111 - 2²⁶ = 478407247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545516117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79655 + ... + 86231.

It is an arithmetic number, because the mean of its divisors is an integer number (28272244).

Almost surely, 2^545516111 is an apocalyptic number.

545516111 is a deficient number, since it is larger than the sum of its proper divisors (133017745).

545516111 is a wasteful number, since it uses less digits than its factorization.

545516111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659 (or 6642 counting only the distinct ones).

The product of its digits is 3000, while the sum is 29.

The square root of 545516111 is about 23356.2863272396. The cubic root of 545516111 is about 817.0886799754.

The spelling of 545516111 in words is "five hundred forty-five million, five hundred sixteen thousand, one hundred eleven".