26855556 has 48 divisors (see below), whose sum is σ = 77126784. Its totient is φ = 7082496.

The previous prime is 26855519. The next prime is 26855557. The reversal of 26855556 is 65555862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26855557) 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, 11205 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (1606808).

Almost surely, 2^26855556 is an apocalyptic number.

26855556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26855556 is an abundant number, since it is smaller than the sum of its proper divisors (50271228).

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

26855556 is a wasteful number, since it uses less digits than its factorization.

26855556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24620 (or 24618 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 26855556 is about 5182.2346531202. The cubic root of 26855556 is about 299.4640653726.

The spelling of 26855556 in words is "twenty-six million, eight hundred fifty-five thousand, five hundred fifty-six".