545984685 has 16 divisors (see below), whose sum is σ = 970639680. Its totient is φ = 291191760.

The previous prime is 545984671. The next prime is 545984693. The reversal of 545984685 is 586489545.

545984685 is a `hidden beast` number, since 5 + 4 + 598 + 46 + 8 + 5 = 666.

It is not a de Polignac number, because 545984685 - 2¹⁰ = 545983661 is a prime.

It is a super-3 number, since 3×545984685³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2022031 + ... + 2022300.

It is an arithmetic number, because the mean of its divisors is an integer number (60664980).

Almost surely, 2^545984685 is an apocalyptic number.

It is an amenable number.

545984685 is a deficient number, since it is larger than the sum of its proper divisors (424654995).

545984685 is a wasteful number, since it uses less digits than its factorization.

545984685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044345 (or 4044339 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The square root of 545984685 is about 23366.3151780506. The cubic root of 545984685 is about 817.3225605972.

The spelling of 545984685 in words is "five hundred forty-five million, nine hundred eighty-four thousand, six hundred eighty-five".