545653684 has 12 divisors (see below), whose sum is σ = 967975204. Its totient is φ = 269089344.

The previous prime is 545653663. The next prime is 545653697. The reversal of 545653684 is 486356545.

It can be written as a sum of positive squares in 2 ways, for example, as 128595600 + 417058084 = 11340^2 + 20422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934047 + ... + 934630.

Almost surely, 2^545653684 is an apocalyptic number.

It is an amenable number.

545653684 is a deficient number, since it is larger than the sum of its proper divisors (422321520).

545653684 is a wasteful number, since it uses less digits than its factorization.

545653684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868754 (or 1868752 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 545653684 is about 23359.2312373503. The cubic root of 545653684 is about 817.1573610468.

The spelling of 545653684 in words is "five hundred forty-five million, six hundred fifty-three thousand, six hundred eighty-four".