545988975648 has 24 divisors (see below), whose sum is σ = 1433221061328. Its totient is φ = 181996325184.

The previous prime is 545988975611. The next prime is 545988975667. The reversal of 545988975648 is 846579889545.

It is a tau number, because it is divible by the number of its divisors (24).

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, 2843692486 + ... + 2843692677.

It is an arithmetic number, because the mean of its divisors is an integer number (59717544222).

Almost surely, 2^545988975648 is an apocalyptic number.

It is an amenable number.

545988975648 is an abundant number, since it is smaller than the sum of its proper divisors (887232085680).

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

545988975648 is a wasteful number, since it uses less digits than its factorization.

545988975648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687385176 (or 5687385168 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 78.

The spelling of 545988975648 in words is "five hundred forty-five billion, nine hundred eighty-eight million, nine hundred seventy-five thousand, six hundred forty-eight".