545517312 has 144 divisors (see below), whose sum is σ = 1536433920. Its totient is φ = 171483136.

The previous prime is 545517311. The next prime is 545517317. The reversal of 545517312 is 213715545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545517311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1571923 + ... + 1572269.

It is an arithmetic number, because the mean of its divisors is an integer number (10669680).

Almost surely, 2^545517312 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 545517312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768216960).

545517312 is an abundant number, since it is smaller than the sum of its proper divisors (990916608).

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

545517312 is a wasteful number, since it uses less digits than its factorization.

545517312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 464 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 545517312 is about 23356.3120376484. The cubic root of 545517312 is about 817.0892796050.

The spelling of 545517312 in words is "five hundred forty-five million, five hundred seventeen thousand, three hundred twelve".