5545920 has 112 divisors (see below), whose sum is σ = 18105120. Its totient is φ = 1437696.

The previous prime is 5545913. The next prime is 5545933. The reversal of 5545920 is 295455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 50826 + ... + 50934.

Almost surely, 2^5545920 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 5545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9052560).

5545920 is an abundant number, since it is smaller than the sum of its proper divisors (12559200).

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

5545920 is a wasteful number, since it uses less digits than its factorization.

5545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5545920 is about 2354.9777069009. The cubic root of 5545920 is about 177.0073092197.

The spelling of 5545920 in words is "five million, five hundred forty-five thousand, nine hundred twenty".