545443055400 has 96 divisors (see below), whose sum is σ = 1736572825440. Its totient is φ = 141520354560.

The previous prime is 545443055371. The next prime is 545443055407. The reversal of 545443055400 is 4550344545.

It is not an unprimeable number, because it can be changed into a prime (545443055407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12262554 + ... + 12306953.

It is an arithmetic number, because the mean of its divisors is an integer number (18089300265).

Almost surely, 2^545443055400 is an apocalyptic number.

545443055400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545443055400 is an abundant number, since it is smaller than the sum of its proper divisors (1191129770040).

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

545443055400 is a wasteful number, since it uses less digits than its factorization.

545443055400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24569563 (or 24569554 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 545443055400 its reverse (4550344545), we get a palindrome (549993399945).

The spelling of 545443055400 in words is "five hundred forty-five billion, four hundred forty-three million, fifty-five thousand, four hundred".