2555765797 has 16 divisors (see below), whose sum is σ = 2814356160. Its totient is φ = 2306621952.

The previous prime is 2555765783. The next prime is 2555765869. The reversal of 2555765797 is 7975675552.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555765797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555765747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92454 + ... + 116872.

It is an arithmetic number, because the mean of its divisors is an integer number (175897260).

Almost surely, 2^2555765797 is an apocalyptic number.

It is an amenable number.

2555765797 is a deficient number, since it is larger than the sum of its proper divisors (258590363).

2555765797 is a wasteful number, since it uses less digits than its factorization.

2555765797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612.

The product of its digits is 23152500, while the sum is 58.

The square root of 2555765797 is about 50554.5823541249. The cubic root of 2555765797 is about 1367.2261343428.

The spelling of 2555765797 in words is "two billion, five hundred fifty-five million, seven hundred sixty-five thousand, seven hundred ninety-seven".