26550006 has 64 divisors (see below), whose sum is σ = 63376896. Its totient is φ = 7257600.

The previous prime is 26549987. The next prime is 26550037. The reversal of 26550006 is 60005562.

26550006 = 134² + 135² + ... + 434².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110046 + ... + 110286.

It is an arithmetic number, because the mean of its divisors is an integer number (990264).

Almost surely, 2^26550006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26550006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31688448).

26550006 is an abundant number, since it is smaller than the sum of its proper divisors (36826890).

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

26550006 is a wasteful number, since it uses less digits than its factorization.

26550006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 26550006 is about 5152.6697934178. The cubic root of 26550006 is about 298.3240098484.

Adding to 26550006 its reverse (60005562), we get a palindrome (86555568).

The spelling of 26550006 in words is "twenty-six million, five hundred fifty thousand, six".