26552665 has 4 divisors (see below), whose sum is σ = 31863204. Its totient is φ = 21242128.

The previous prime is 26552663. The next prime is 26552699. The reversal of 26552665 is 56625562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20466576 + 6086089 = 4524^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 26552665 - 2¹ = 26552663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26552663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655262 + ... + 2655271.

It is an arithmetic number, because the mean of its divisors is an integer number (7965801).

Almost surely, 2^26552665 is an apocalyptic number.

It is an amenable number.

26552665 is a deficient number, since it is larger than the sum of its proper divisors (5310539).

26552665 is an equidigital number, since it uses as much as digits as its factorization.

26552665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310538.

The product of its digits is 108000, while the sum is 37.

The square root of 26552665 is about 5152.9278085376. The cubic root of 26552665 is about 298.3339686291. Note that the first 3 decimals are identical.

The spelling of 26552665 in words is "twenty-six million, five hundred fifty-two thousand, six hundred sixty-five".