5545980 has 72 divisors (see below), whose sum is σ = 18358704. Its totient is φ = 1344000.

The previous prime is 5545933. The next prime is 5545987. The reversal of 5545980 is 895455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (254982).

Almost surely, 2^5545980 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 5545980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9179352).

5545980 is an abundant number, since it is smaller than the sum of its proper divisors (12812724).

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

5545980 is a wasteful number, since it uses less digits than its factorization.

5545980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 5545980 is about 2354.9904458405. The cubic root of 5545980 is about 177.0079475508.

The spelling of 5545980 in words is "five million, five hundred forty-five thousand, nine hundred eighty".