5543550 has 72 divisors (see below), whose sum is σ = 15165696. Its totient is φ = 1451520.

The previous prime is 5543537. The next prime is 5543579. The reversal of 5543550 is 553455.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43587 + ... + 43713.

Almost surely, 2^5543550 is an apocalyptic number.

5543550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7582848).

5543550 is an abundant number, since it is smaller than the sum of its proper divisors (9622146).

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

5543550 is a wasteful number, since it uses less digits than its factorization.

5543550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 5543550 is about 2354.4744636543. The cubic root of 5543550 is about 176.9820914563.

The spelling of 5543550 in words is "five million, five hundred forty-three thousand, five hundred fifty".