26550029 has 4 divisors (see below), whose sum is σ = 28963680. Its totient is φ = 24136380.

The previous prime is 26549987. The next prime is 26550037. The reversal of 26550029 is 92005562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26550029 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 26549983 and 26550010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26550089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1206809 + ... + 1206830.

It is an arithmetic number, because the mean of its divisors is an integer number (7240920).

Almost surely, 2^26550029 is an apocalyptic number.

It is an amenable number.

26550029 is a deficient number, since it is larger than the sum of its proper divisors (2413651).

26550029 is a wasteful number, since it uses less digits than its factorization.

26550029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413650.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 26550029 is about 5152.6720252700. The cubic root of 26550029 is about 298.3240959934.

It can be divided in two parts, 26 and 550029, that added together give a palindrome (550055).

The spelling of 26550029 in words is "twenty-six million, five hundred fifty thousand, twenty-nine".