2255799457 has 4 divisors (see below), whose sum is σ = 2255908500. Its totient is φ = 2255690416.

The previous prime is 2255799407. The next prime is 2255799463. The reversal of 2255799457 is 7549975522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7549975522 = 2 ⋅3774987761.

It can be written as a sum of positive squares in 2 ways, for example, as 468116496 + 1787682961 = 21636^2 + 42281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255799457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255799398 and 2255799407.

It is not an unprimeable number, because it can be changed into a prime (2255799407) 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 3 ways as a sum of consecutive naturals, for example, 12898 + ... + 68395.

It is an arithmetic number, because the mean of its divisors is an integer number (563977125).

Almost surely, 2^2255799457 is an apocalyptic number.

It is an amenable number.

2255799457 is a deficient number, since it is larger than the sum of its proper divisors (109043).

2255799457 is an equidigital number, since it uses as much as digits as its factorization.

2255799457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109042.

The product of its digits is 7938000, while the sum is 55.

The square root of 2255799457 is about 47495.2572053252. The cubic root of 2255799457 is about 1311.4955739295.

The spelling of 2255799457 in words is "two billion, two hundred fifty-five million, seven hundred ninety-nine thousand, four hundred fifty-seven".