26552556 has 48 divisors (see below), whose sum is σ = 70318080. Its totient is φ = 8660880.

The previous prime is 26552531. The next prime is 26552563. The reversal of 26552556 is 65525562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 26552556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2461 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (1464960).

Almost surely, 2^26552556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26552556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35159040).

26552556 is an abundant number, since it is smaller than the sum of its proper divisors (43765524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26552556 is a wasteful number, since it uses less digits than its factorization.

26552556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5283 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 26552556 is about 5152.9172320153. The cubic root of 26552556 is about 298.3335604033. Note that the first 3 decimals are identical.

The spelling of 26552556 in words is "twenty-six million, five hundred fifty-two thousand, five hundred fifty-six".