10550215 has 16 divisors (see below), whose sum is σ = 14228928. Its totient is φ = 7451136.

The previous prime is 10550207. The next prime is 10550227. The reversal of 10550215 is 51205501.

It is a cyclic number.

It is not a de Polignac number, because 10550215 - 2³ = 10550207 is a prime.

It is a super-2 number, since 2×10550215² = 222614073092450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10550192 and 10550201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (889308).

Almost surely, 2^10550215 is an apocalyptic number.

10550215 is a deficient number, since it is larger than the sum of its proper divisors (3678713).

10550215 is a wasteful number, since it uses less digits than its factorization.

10550215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 10550215 is about 3248.1094501263. The cubic root of 10550215 is about 219.3244774794.

Adding to 10550215 its reverse (51205501), we get a palindrome (61755716).

The spelling of 10550215 in words is "ten million, five hundred fifty thousand, two hundred fifteen".