26666055 has 48 divisors (see below), whose sum is σ = 50494080. Its totient is φ = 12939264.

The previous prime is 26666041. The next prime is 26666071. The reversal of 26666055 is 55066662.

It is not a de Polignac number, because 26666055 - 2¹⁷ = 26534983 is a prime.

It is a super-2 number, since 2×26666055² = 1422156978526050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45927 + ... + 46503.

It is an arithmetic number, because the mean of its divisors is an integer number (1051960).

Almost surely, 2^26666055 is an apocalyptic number.

26666055 is a deficient number, since it is larger than the sum of its proper divisors (23828025).

26666055 is a wasteful number, since it uses less digits than its factorization.

26666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 26666055 is about 5163.9185702333. The cubic root of 26666055 is about 298.7580321481.

The spelling of 26666055 in words is "twenty-six million, six hundred sixty-six thousand, fifty-five".