10055565 has 24 divisors (see below), whose sum is σ = 18771480. Its totient is φ = 4950144.

The previous prime is 10055519. The next prime is 10055569. The reversal of 10055565 is 56555001.

10055565 is a `hidden beast` number, since 100 + 5 + 556 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1447209 + 8608356 = 1203^2 + 2934^2 .

It is not a de Polignac number, because 10055565 - 2⁹ = 10055053 is a prime.

It is a super-2 number, since 2×10055565² = 202228774938450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10055569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8010 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (782145).

Almost surely, 2^10055565 is an apocalyptic number.

10055565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10055565 is a deficient number, since it is larger than the sum of its proper divisors (8715915).

10055565 is a wasteful number, since it uses less digits than its factorization.

10055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213 (or 17210 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 10055565 is about 3171.0510875733. The cubic root of 10055565 is about 215.8417694047.

The spelling of 10055565 in words is "ten million, fifty-five thousand, five hundred sixty-five".