26553453885 has 96 divisors (see below), whose sum is σ = 56398567680. Its totient is φ = 11610732672.

The previous prime is 26553453827. The next prime is 26553453887. The reversal of 26553453885 is 58835435562.

It is a happy number.

26553453885 is a `hidden beast` number, since 2 + 6 + 553 + 4 + 5 + 3 + 8 + 85 = 666.

It is not a de Polignac number, because 26553453885 - 2¹⁵ = 26553421117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26553453887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 473347 + ... + 526463.

It is an arithmetic number, because the mean of its divisors is an integer number (587485080).

Almost surely, 2^26553453885 is an apocalyptic number.

It is an amenable number.

26553453885 is an abundant number, since it is smaller than the sum of its proper divisors (29845113795).

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

26553453885 is a wasteful number, since it uses less digits than its factorization.

26553453885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53184 (or 53155 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 26553453885 in words is "twenty-six billion, five hundred fifty-three million, four hundred fifty-three thousand, eight hundred eighty-five".