26291054 has 4 divisors (see below), whose sum is σ = 39436584. Its totient is φ = 13145526.

The previous prime is 26291051. The next prime is 26291071. The reversal of 26291054 is 45019262.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26291051) 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 as a sum of consecutive naturals, namely, 6572762 + ... + 6572765.

It is an arithmetic number, because the mean of its divisors is an integer number (9859146).

Almost surely, 2^26291054 is an apocalyptic number.

26291054 is a deficient number, since it is larger than the sum of its proper divisors (13145530).

26291054 is a wasteful number, since it uses less digits than its factorization.

26291054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145529.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 26291054 is about 5127.4802778753. The cubic root of 26291054 is about 297.3509513960.

The spelling of 26291054 in words is "twenty-six million, two hundred ninety-one thousand, fifty-four".