26238555 has 48 divisors (see below), whose sum is σ = 53673984. Its totient is φ = 11603520.

The previous prime is 26238523. The next prime is 26238559. The reversal of 26238555 is 55583262.

It is a happy number.

It is not a de Polignac number, because 26238555 - 2⁵ = 26238523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26238559) 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 47 ways as a sum of consecutive naturals, for example, 8422 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (1118208).

Almost surely, 2^26238555 is an apocalyptic number.

26238555 is an abundant number, since it is smaller than the sum of its proper divisors (27435429).

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

26238555 is a wasteful number, since it uses less digits than its factorization.

26238555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2733 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 26238555 is about 5122.3583435757. The cubic root of 26238555 is about 297.1528988598.

The spelling of 26238555 in words is "twenty-six million, two hundred thirty-eight thousand, five hundred fifty-five".