545049312 has 48 divisors (see below), whose sum is σ = 1437060240. Its totient is φ = 180882432.

The previous prime is 545049289. The next prime is 545049313. The reversal of 545049312 is 213940545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545049313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9588 + ... + 34380.

It is an arithmetic number, because the mean of its divisors is an integer number (29938755).

Almost surely, 2^545049312 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 545049312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718530120).

545049312 is an abundant number, since it is smaller than the sum of its proper divisors (892010928).

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

545049312 is a wasteful number, since it uses less digits than its factorization.

545049312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25035 (or 25027 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 545049312 is about 23346.2911829695. The cubic root of 545049312 is about 816.8555521077.

Adding to 545049312 its reverse (213940545), we get a palindrome (758989857).

The spelling of 545049312 in words is "five hundred forty-five million, forty-nine thousand, three hundred twelve".