5445888 has 72 divisors (see below), whose sum is σ = 16580928. Its totient is φ = 1554432.

The previous prime is 5445857. The next prime is 5445889. The reversal of 5445888 is 8885445.

It is a super-2 number, since 2×5445888² = 59315392217088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (5445889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870 + ... + 5882.

Almost surely, 2^5445888 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 5445888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8290464).

5445888 is an abundant number, since it is smaller than the sum of its proper divisors (11135040).

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

5445888 is a wasteful number, since it uses less digits than its factorization.

5445888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1025 counting only the distinct ones).

The product of its digits is 204800, while the sum is 42.

The square root of 5445888 is about 2333.6426461650. The cubic root of 5445888 is about 175.9366162945.

The spelling of 5445888 in words is "five million, four hundred forty-five thousand, eight hundred eighty-eight".