26055531 has 24 divisors (see below), whose sum is σ = 39696384. Its totient is φ = 16444080.

The previous prime is 26055529. The next prime is 26055553. The reversal of 26055531 is 13555062.

26055531 is a `hidden beast` number, since 2 + 605 + 5 + 53 + 1 = 666.

It is not a de Polignac number, because 26055531 - 2¹ = 26055529 is a prime.

It is a super-2 number, since 2×26055531² = 1357781391383922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26055495 and 26055504.

It is not an unprimeable number, because it can be changed into a prime (26055581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12120 + ... + 14106.

It is an arithmetic number, because the mean of its divisors is an integer number (1654016).

Almost surely, 2^26055531 is an apocalyptic number.

26055531 is a deficient number, since it is larger than the sum of its proper divisors (13640853).

26055531 is a wasteful number, since it uses less digits than its factorization.

26055531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 26055531 is about 5104.4618717354. The cubic root of 26055531 is about 296.4603675934.

The spelling of 26055531 in words is "twenty-six million, fifty-five thousand, five hundred thirty-one".