5545320 has 64 divisors (see below), whose sum is σ = 18152640. Its totient is φ = 1344000.

The previous prime is 5545273. The next prime is 5545339. The reversal of 5545320 is 235455.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (283635).

Almost surely, 2^5545320 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 5545320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9076320).

5545320 is an abundant number, since it is smaller than the sum of its proper divisors (12607320).

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

5545320 is a wasteful number, since it uses less digits than its factorization.

5545320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 5545320 is about 2354.8503137142. The cubic root of 5545320 is about 177.0009256551. Note that the first 3 decimals are identical.

The spelling of 5545320 in words is "five million, five hundred forty-five thousand, three hundred twenty".