2555565798 has 8 divisors (see below), whose sum is σ = 5111131608. Its totient is φ = 851855264.

The previous prime is 2555565769. The next prime is 2555565799. The reversal of 2555565798 is 8975655552.

2555565798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2555565798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555565799) 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, 212963811 + ... + 212963822.

It is an arithmetic number, because the mean of its divisors is an integer number (638891451).

Almost surely, 2^2555565798 is an apocalyptic number.

2555565798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555565798 is a wasteful number, since it uses less digits than its factorization.

2555565798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425927638.

The product of its digits is 18900000, while the sum is 57.

The square root of 2555565798 is about 50552.6042652602. The cubic root of 2555565798 is about 1367.1904697561.

The spelling of 2555565798 in words is "two billion, five hundred fifty-five million, five hundred sixty-five thousand, seven hundred ninety-eight".