545223552524 has 144 divisors (see below), whose sum is σ = 1178725161600. Its totient is φ = 219689293824.

The previous prime is 545223552487. The next prime is 545223552541. The reversal of 545223552524 is 425255322545.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 32771312 + ... + 32787944.

It is an arithmetic number, because the mean of its divisors is an integer number (8185591400).

Almost surely, 2^545223552524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545223552524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589362580800).

545223552524 is an abundant number, since it is smaller than the sum of its proper divisors (633501609076).

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

545223552524 is a wasteful number, since it uses less digits than its factorization.

545223552524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16832 (or 16823 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 44.

The spelling of 545223552524 in words is "five hundred forty-five billion, two hundred twenty-three million, five hundred fifty-two thousand, five hundred twenty-four".