2555894745 has 24 divisors (see below), whose sum is σ = 4452721416. Its totient is φ = 1356219648.

The previous prime is 2555894741. The next prime is 2555894773. The reversal of 2555894745 is 5474985552.

2555894745 is a `hidden beast` number, since 2 + 5 + 558 + 9 + 47 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 417017241 + 2138877504 = 20421^2 + 46248^2 .

It is not a de Polignac number, because 2555894745 - 2² = 2555894741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2555894691 and 2555894700.

It is not an unprimeable number, because it can be changed into a prime (2555894741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135292 + ... + 153021.

It is an arithmetic number, because the mean of its divisors is an integer number (185530059).

Almost surely, 2^2555894745 is an apocalyptic number.

It is an amenable number.

2555894745 is a deficient number, since it is larger than the sum of its proper divisors (1896826671).

2555894745 is a wasteful number, since it uses less digits than its factorization.

2555894745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288521 (or 288518 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The square root of 2555894745 is about 50555.8576724795. The cubic root of 2555894745 is about 1367.2491278569.

The spelling of 2555894745 in words is "two billion, five hundred fifty-five million, eight hundred ninety-four thousand, seven hundred forty-five".