26555131 has 4 divisors (see below), whose sum is σ = 26630712. Its totient is φ = 26479552.

The previous prime is 26555119. The next prime is 26555147. The reversal of 26555131 is 13155562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26555131 - 2⁵ = 26555099 is a prime.

It is a super-2 number, since 2×26555131² = 1410349964854322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26555131.

It is not an unprimeable number, because it can be changed into a prime (26555101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37261 + ... + 37966.

It is an arithmetic number, because the mean of its divisors is an integer number (6657678).

Almost surely, 2^26555131 is an apocalyptic number.

26555131 is a deficient number, since it is larger than the sum of its proper divisors (75581).

26555131 is an equidigital number, since it uses as much as digits as its factorization.

26555131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75580.

The product of its digits is 4500, while the sum is 28.

The square root of 26555131 is about 5153.1670844249. The cubic root of 26555131 is about 298.3432039707.

It can be divided in two parts, 265 and 55131, that multiplied together give a triangular number (14609715 = T₅₄₀₅).

The spelling of 26555131 in words is "twenty-six million, five hundred fifty-five thousand, one hundred thirty-one".