545640316 has 48 divisors (see below), whose sum is σ = 1076350464. Its totient is φ = 240140736.

The previous prime is 545640311. The next prime is 545640317. The reversal of 545640316 is 613046545.

545640316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545640311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601135 + ... + 602041.

It is an arithmetic number, because the mean of its divisors is an integer number (22423968).

Almost surely, 2^545640316 is an apocalyptic number.

It is an amenable number.

545640316 is a deficient number, since it is larger than the sum of its proper divisors (530710148).

545640316 is a wasteful number, since it uses less digits than its factorization.

545640316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 545640316 is about 23358.9450960440. The cubic root of 545640316 is about 817.1506877977.

The spelling of 545640316 in words is "five hundred forty-five million, six hundred forty thousand, three hundred sixteen".