26780054 has 16 divisors (see below), whose sum is σ = 46178208. Its totient is φ = 11409792.

The previous prime is 26780053. The next prime is 26780069. The reversal of 26780054 is 45008762.

It is a self number, because there is not a number n which added to its sum of digits gives 26780054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26780053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 7950.

It is an arithmetic number, because the mean of its divisors is an integer number (2886138).

Almost surely, 2^26780054 is an apocalyptic number.

26780054 is a deficient number, since it is larger than the sum of its proper divisors (19398154).

26780054 is a wasteful number, since it uses less digits than its factorization.

26780054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 26780054 is about 5174.9448306238. The cubic root of 26780054 is about 299.1831631288.

The spelling of 26780054 in words is "twenty-six million, seven hundred eighty thousand, fifty-four".