545273322 has 48 divisors (see below), whose sum is σ = 1229445216. Its totient is φ = 159885600.

The previous prime is 545273299. The next prime is 545273389. The reversal of 545273322 is 223372545.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59128 + ... + 67724.

It is an arithmetic number, because the mean of its divisors is an integer number (25613442).

Almost surely, 2^545273322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545273322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614722608).

545273322 is an abundant number, since it is smaller than the sum of its proper divisors (684171894).

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

545273322 is a wasteful number, since it uses less digits than its factorization.

545273322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675 (or 8644 counting only the distinct ones).

The product of its digits is 50400, while the sum is 33.

The square root of 545273322 is about 23351.0882401656. The cubic root of 545273322 is about 816.9674433597.

The spelling of 545273322 in words is "five hundred forty-five million, two hundred seventy-three thousand, three hundred twenty-two".