26550100 has 36 divisors (see below), whose sum is σ = 58419004. Its totient is φ = 10471680.

The previous prime is 26550091. The next prime is 26550133. The reversal of 26550100 is 105562.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4384836 + 22165264 = 2094^2 + 4708^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5482 + ... + 9118.

Almost surely, 2^26550100 is an apocalyptic number.

26550100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26550100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29209502).

26550100 is an abundant number, since it is smaller than the sum of its proper divisors (31868904).

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

26550100 is a wasteful number, since it uses less digits than its factorization.

26550100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 26550100 is about 5152.6789148947. The cubic root of 26550100 is about 298.3243619189.

Adding to 26550100 its reverse (105562), we get a palindrome (26655662).

The spelling of 26550100 in words is "twenty-six million, five hundred fifty thousand, one hundred".