26823552 has 128 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 7200768.

The previous prime is 26823551. The next prime is 26823571. The reversal of 26823552 is 25532862.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26823551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45403 + ... + 45989.

It is an arithmetic number, because the mean of its divisors is an integer number (674730).

Almost surely, 2^26823552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26823552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43182720).

26823552 is an abundant number, since it is smaller than the sum of its proper divisors (59541888).

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

26823552 is a wasteful number, since it uses less digits than its factorization.

26823552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 616 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 26823552 is about 5179.1458755281. The cubic root of 26823552 is about 299.3450601085.

The spelling of 26823552 in words is "twenty-six million, eight hundred twenty-three thousand, five hundred fifty-two".