545668375 has 16 divisors (see below), whose sum is σ = 778280256. Its totient is φ = 374172000.

The previous prime is 545668313. The next prime is 545668381. The reversal of 545668375 is 573866545.

It is not a de Polignac number, because 545668375 - 2¹¹ = 545666327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 310936 + ... + 312685.

It is an arithmetic number, because the mean of its divisors is an integer number (48642516).

Almost surely, 2^545668375 is an apocalyptic number.

545668375 is a deficient number, since it is larger than the sum of its proper divisors (232611881).

545668375 is an equidigital number, since it uses as much as digits as its factorization.

545668375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623643 (or 623633 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The square root of 545668375 is about 23359.5456933563. The cubic root of 545668375 is about 817.1646946061.

The spelling of 545668375 in words is "five hundred forty-five million, six hundred sixty-eight thousand, three hundred seventy-five".