26055857 has 2 divisors, whose sum is σ = 26055858. Its totient is φ = 26055856.

The previous prime is 26055851. The next prime is 26055889. The reversal of 26055857 is 75855062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26050816 + 5041 = 5104^2 + 71^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26055857 is a prime.

It is a super-3 number, since 3×26055857³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26055857.

It is not a weakly prime, because it can be changed into another prime (26055851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13027928 + 13027929.

It is an arithmetic number, because the mean of its divisors is an integer number (13027929).

Almost surely, 2^26055857 is an apocalyptic number.

It is an amenable number.

26055857 is a deficient number, since it is larger than the sum of its proper divisors (1).

26055857 is an equidigital number, since it uses as much as digits as its factorization.

26055857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 26055857 is about 5104.4938044825. The cubic root of 26055857 is about 296.4616039999.

The spelling of 26055857 in words is "twenty-six million, fifty-five thousand, eight hundred fifty-seven".