26553013 has 16 divisors (see below), whose sum is σ = 29056320. Its totient is φ = 24178176.

The previous prime is 26552993. The next prime is 26553029. The reversal of 26553013 is 31035562.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26553013 - 2⁹ = 26552501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26553083) 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 15 ways as a sum of consecutive naturals, for example, 75045 + ... + 75397.

It is an arithmetic number, because the mean of its divisors is an integer number (1816020).

Almost surely, 2^26553013 is an apocalyptic number.

It is an amenable number.

26553013 is a deficient number, since it is larger than the sum of its proper divisors (2503307).

26553013 is a wasteful number, since it uses less digits than its factorization.

26553013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 26553013 is about 5152.9615756378. The cubic root of 26553013 is about 298.3352719480.

Adding to 26553013 its reverse (31035562), we get a palindrome (57588575).

The spelling of 26553013 in words is "twenty-six million, five hundred fifty-three thousand, thirteen".