26305552 has 120 divisors (see below), whose sum is σ = 66792600. Its totient is φ = 9934848.

The previous prime is 26305547. The next prime is 26305561. The reversal of 26305552 is 25550362.

It can be written as a sum of positive squares in 4 ways, for example, as 50176 + 26255376 = 224^2 + 5124^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 26305552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295524 + ... + 295612.

It is an arithmetic number, because the mean of its divisors is an integer number (556605).

Almost surely, 2^26305552 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 26305552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33396300).

26305552 is an abundant number, since it is smaller than the sum of its proper divisors (40487048).

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

26305552 is a wasteful number, since it uses less digits than its factorization.

26305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 26305552 is about 5128.8938378563. The cubic root of 26305552 is about 297.4055986525.

The spelling of 26305552 in words is "twenty-six million, three hundred five thousand, five hundred fifty-two".