26552661 has 16 divisors (see below), whose sum is σ = 36806400. Its totient is φ = 17006528.

The previous prime is 26552641. The next prime is 26552663. The reversal of 26552661 is 16625562.

It is a happy number.

It is not a de Polignac number, because 26552661 - 2¹¹ = 26550613 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 20155 + ... + 21431.

It is an arithmetic number, because the mean of its divisors is an integer number (2300400).

Almost surely, 2^26552661 is an apocalyptic number.

It is an amenable number.

26552661 is a deficient number, since it is larger than the sum of its proper divisors (10253739).

26552661 is a wasteful number, since it uses less digits than its factorization.

26552661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its digits is 21600, while the sum is 33.

The square root of 26552661 is about 5152.9274204087. The cubic root of 26552661 is about 298.3339536484. Note that the first 3 decimals are identical.

The spelling of 26552661 in words is "twenty-six million, five hundred fifty-two thousand, six hundred sixty-one".