2555705591 has 8 divisors (see below), whose sum is σ = 2799353520. Its totient is φ = 2322425728.

The previous prime is 2555705567. The next prime is 2555705597. The reversal of 2555705591 is 1955075552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555705591 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 (2555705597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591501 + ... + 2592486.

It is an arithmetic number, because the mean of its divisors is an integer number (349919190).

Almost surely, 2^2555705591 is an apocalyptic number.

2555705591 is a deficient number, since it is larger than the sum of its proper divisors (243647929).

2555705591 is a wasteful number, since it uses less digits than its factorization.

2555705591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184033.

The product of its (nonzero) digits is 393750, while the sum is 44.

The square root of 2555705591 is about 50553.9868951995. The cubic root of 2555705591 is about 1367.2153983743.

The spelling of 2555705591 in words is "two billion, five hundred fifty-five million, seven hundred five thousand, five hundred ninety-one".