26553049 has 2 divisors, whose sum is σ = 26553050. Its totient is φ = 26553048.

The previous prime is 26553047. The next prime is 26553083. The reversal of 26553049 is 94035562.

It is an a-pointer prime, because the next prime (26553083) can be obtained adding 26553049 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14197824 + 12355225 = 3768^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 26553049 - 2¹ = 26553047 is a prime.

It is a super-2 number, since 2×26553049² = 1410128822392802, which contains 22 as substring.

Together with 26553047, it forms a pair of twin primes.

It is equal to p_1656925 and since 26553049 and 1656925 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26553047) 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 as a sum of consecutive naturals, namely, 13276524 + 13276525.

It is an arithmetic number, because the mean of its divisors is an integer number (13276525).

Almost surely, 2^26553049 is an apocalyptic number.

It is an amenable number.

26553049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26553049 is an equidigital number, since it uses as much as digits as its factorization.

26553049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 26553049 is about 5152.9650687735. The cubic root of 26553049 is about 298.3354067734.

The spelling of 26553049 in words is "twenty-six million, five hundred fifty-three thousand, forty-nine".