10216550 has 12 divisors (see below), whose sum is σ = 19002876. Its totient is φ = 4086600.

The previous prime is 10216543. The next prime is 10216561. The reversal of 10216550 is 5561201.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 102116 + ... + 102215.

It is an arithmetic number, because the mean of its divisors is an integer number (1583573).

Almost surely, 2^10216550 is an apocalyptic number.

10216550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10216550 is a deficient number, since it is larger than the sum of its proper divisors (8786326).

10216550 is a wasteful number, since it uses less digits than its factorization.

10216550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204343 (or 204338 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10216550 is about 3196.3338373831. Note that the first 3 decimals coincide. The cubic root of 10216550 is about 216.9875193683.

Adding to 10216550 its reverse (5561201), we get a palindrome (15777751).

The spelling of 10216550 in words is "ten million, two hundred sixteen thousand, five hundred fifty".