5547780 has 216 divisors, whose sum is σ = 21287448. Its totient is φ = 1161216.

The previous prime is 5547779. The next prime is 5547827. The reversal of 5547780 is 877455.

It can be written as a sum of positive squares in 4 ways, for example, as 2286144 + 3261636 = 1512^2 + 1806^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 149922 + ... + 149958.

It is an arithmetic number, because the mean of its divisors is an integer number (98553).

Almost surely, 2^5547780 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 5547780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10643724).

5547780 is an abundant number, since it is smaller than the sum of its proper divisors (15739668).

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

5547780 is a wasteful number, since it uses less digits than its factorization.

5547780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 5547780 is about 2355.3725819921. The cubic root of 5547780 is about 177.0270953445.

The spelling of 5547780 in words is "five million, five hundred forty-seven thousand, seven hundred eighty".