2555864315 has 32 divisors (see below), whose sum is σ = 3250881216. Its totient is φ = 1926812160.

The previous prime is 2555864299. The next prime is 2555864317. The reversal of 2555864315 is 5134685552.

It is a happy number.

It is not a de Polignac number, because 2555864315 - 2⁴ = 2555864299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555864317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693257 + ... + 696933.

It is an arithmetic number, because the mean of its divisors is an integer number (101590038).

Almost surely, 2^2555864315 is an apocalyptic number.

2555864315 is a deficient number, since it is larger than the sum of its proper divisors (695016901).

2555864315 is a wasteful number, since it uses less digits than its factorization.

2555864315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its digits is 720000, while the sum is 44.

The square root of 2555864315 is about 50555.5567173382. The cubic root of 2555864315 is about 1367.2437017654.

The spelling of 2555864315 in words is "two billion, five hundred fifty-five million, eight hundred sixty-four thousand, three hundred fifteen".