545503424 has 28 divisors (see below), whose sum is σ = 1093213968. Its totient is φ = 270048000.

The previous prime is 545503423. The next prime is 545503447. The reversal of 545503424 is 424305545.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (545503421) 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, 35732 + ... + 48659.

It is an arithmetic number, because the mean of its divisors is an integer number (39043356).

Almost surely, 2^545503424 is an apocalyptic number.

It is an amenable number.

545503424 is an abundant number, since it is smaller than the sum of its proper divisors (547710544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545503424 is a wasteful number, since it uses less digits than its factorization.

545503424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84504 (or 84494 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 545503424 is about 23356.0147285448. The cubic root of 545503424 is about 817.0823456165.

Adding to 545503424 its reverse (424305545), we get a palindrome (969808969).

The spelling of 545503424 in words is "five hundred forty-five million, five hundred three thousand, four hundred twenty-four".