545003664 has 80 divisors (see below), whose sum is σ = 1441461312. Its totient is φ = 177375744.

The previous prime is 545003651. The next prime is 545003671. The reversal of 545003664 is 466300545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719574 + ... + 720330.

Almost surely, 2^545003664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545003664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720730656).

545003664 is an abundant number, since it is smaller than the sum of its proper divisors (896457648).

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

545003664 is a wasteful number, since it uses less digits than its factorization.

545003664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 545003664 is about 23345.3135339836. The cubic root of 545003664 is about 816.8327475269.

The spelling of 545003664 in words is "five hundred forty-five million, three thousand, six hundred sixty-four".