545021887632 has 20 divisors (see below), whose sum is σ = 1407973209840. Its totient is φ = 181673962528.

The previous prime is 545021887589. The next prime is 545021887639. The reversal of 545021887632 is 236788120545.

It is not an unprimeable number, because it can be changed into a prime (545021887639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677311282 + ... + 5677311377.

It is an arithmetic number, because the mean of its divisors is an integer number (70398660492).

Almost surely, 2^545021887632 is an apocalyptic number.

It is an amenable number.

545021887632 is an abundant number, since it is smaller than the sum of its proper divisors (862951322208).

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

545021887632 is a wasteful number, since it uses less digits than its factorization.

545021887632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354622670 (or 11354622664 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 545021887632 in words is "five hundred forty-five billion, twenty-one million, eight hundred eighty-seven thousand, six hundred thirty-two".