26550231 has 12 divisors (see below), whose sum is σ = 35780472. Its totient is φ = 17512048.

The previous prime is 26550197. The next prime is 26550233. The reversal of 26550231 is 13205562.

It is not a de Polignac number, because 26550231 - 2¹⁰ = 26549207 is a prime.

It is a super-2 number, since 2×26550231² = 1409829532306722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26550233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33961 + ... + 34733.

It is an arithmetic number, because the mean of its divisors is an integer number (2981706).

Almost surely, 2^26550231 is an apocalyptic number.

26550231 is a deficient number, since it is larger than the sum of its proper divisors (9230241).

26550231 is an equidigital number, since it uses as much as digits as its factorization.

26550231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 883 counting only the distinct ones).

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

The square root of 26550231 is about 5152.6916267132. The cubic root of 26550231 is about 298.3248525690.

Adding to 26550231 its reverse (13205562), we get a palindrome (39755793).

The spelling of 26550231 in words is "twenty-six million, five hundred fifty thousand, two hundred thirty-one".