3550 has 12 divisors (see below), whose sum is σ = 6696.
Its totient is φ = 1400.
The previous prime is 3547. The next prime is 3557. The reversal of 3550 is 553.
3550 is nontrivially palindromic in base 7 and base 9.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 3550.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3557) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15 + ... + 85.
It is an arithmetic number, because the mean of its divisors is an integer number (558).
3550 is a deficient number, since it is larger than the sum of its proper divisors (3146).
3550 is a wasteful number, since it uses less digits than its factorization.
3550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83 (or 78 counting only the distinct ones).
The product of its (nonzero) digits is 75, while the sum is 13.
The square root of 3550 is about 59.5818764391.
The cubic root of 3550 is about 15.2549030190.
The spelling of 3550 in words is "three thousand, five hundred fifty".