26555994 has 24 divisors (see below), whose sum is σ = 57837780. Its totient is φ = 8805888.

The previous prime is 26555993. The next prime is 26555999. The reversal of 26555994 is 49955562.

It is a happy number.

26555994 is a `hidden beast` number, since 2 + 6 + 5 + 559 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23882769 + 2673225 = 4887^2 + 1635^2 .

It is not an unprimeable number, because it can be changed into a prime (26555993) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 199 + ... + 7290.

Almost surely, 2^26555994 is an apocalyptic number.

26555994 is an abundant number, since it is smaller than the sum of its proper divisors (31281786).

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

26555994 is a wasteful number, since it uses less digits than its factorization.

26555994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694 (or 7691 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 26555994 is about 5153.2508186581. The cubic root of 26555994 is about 298.3464358307.

It can be divided in two parts, 2655 and 5994, that added together give a square (8649 = 93²).

The spelling of 26555994 in words is "twenty-six million, five hundred fifty-five thousand, nine hundred ninety-four".