10551505 has 16 divisors (see below), whose sum is σ = 13355280. Its totient is φ = 7990528.

The previous prime is 10551491. The next prime is 10551511. The reversal of 10551505 is 50515501.

It can be written as a sum of positive squares in 8 ways, for example, as 1557504 + 8994001 = 1248^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 10551505 - 2⁹ = 10550993 is a prime.

It is a super-2 number, since 2×10551505² = 222668515530050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6999 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (834705).

Almost surely, 2^10551505 is an apocalyptic number.

It is an amenable number.

10551505 is a deficient number, since it is larger than the sum of its proper divisors (2803775).

10551505 is a wasteful number, since it uses less digits than its factorization.

10551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 10551505 is about 3248.3080211088. The cubic root of 10551505 is about 219.3334162245. Note that the first 3 decimals are identical.

The spelling of 10551505 in words is "ten million, five hundred fifty-one thousand, five hundred five".