5545664 has 28 divisors (see below), whose sum is σ = 11164824. Its totient is φ = 2732544.

The previous prime is 5545649. The next prime is 5545681. The reversal of 5545664 is 4665455.

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, 4079 + ... + 5265.

Almost surely, 2^5545664 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 5545664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5582412).

5545664 is an abundant number, since it is smaller than the sum of its proper divisors (5619160).

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

5545664 is a wasteful number, since it uses less digits than its factorization.

5545664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1262 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 5545664 is about 2354.9233533175. The cubic root of 5545664 is about 177.0045856218.

The spelling of 5545664 in words is "five million, five hundred forty-five thousand, six hundred sixty-four".