26056457 has 4 divisors (see below), whose sum is σ = 29778816. Its totient is φ = 22334100.

The previous prime is 26056451. The next prime is 26056469. The reversal of 26056457 is 75465062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26056457 - 2¹² = 26052361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26056451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861169 + ... + 1861182.

It is an arithmetic number, because the mean of its divisors is an integer number (7444704).

Almost surely, 2^26056457 is an apocalyptic number.

It is an amenable number.

26056457 is a deficient number, since it is larger than the sum of its proper divisors (3722359).

26056457 is an equidigital number, since it uses as much as digits as its factorization.

26056457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722358.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 26056457 is about 5104.5525758875. The cubic root of 26056457 is about 296.4638795675.

The spelling of 26056457 in words is "twenty-six million, fifty-six thousand, four hundred fifty-seven".