10550505 has 32 divisors (see below), whose sum is σ = 19526400. Its totient is φ = 4764672.

The previous prime is 10550503. The next prime is 10550531. The reversal of 10550505 is 50505501.

It is not a de Polignac number, because 10550505 - 2¹ = 10550503 is a prime.

It is a super-2 number, since 2×10550505² = 222626311510050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10550503) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8781 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (610200).

Almost surely, 2^10550505 is an apocalyptic number.

10550505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10550505 is a deficient number, since it is larger than the sum of its proper divisors (8975895).

10550505 is a wasteful number, since it uses less digits than its factorization.

10550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 10550505 is about 3248.1540911724. The cubic root of 10550505 is about 219.3264870282.

The spelling of 10550505 in words is "ten million, five hundred fifty thousand, five hundred five".