2555316291 has 64 divisors (see below), whose sum is σ = 4049740800. Its totient is φ = 1415884800.

The previous prime is 2555316287. The next prime is 2555316343. The reversal of 2555316291 is 1926135552.

It is not a de Polignac number, because 2555316291 - 2² = 2555316287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555316221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3045250 + ... + 3046088.

It is an arithmetic number, because the mean of its divisors is an integer number (63277200).

Almost surely, 2^2555316291 is an apocalyptic number.

2555316291 is a deficient number, since it is larger than the sum of its proper divisors (1494424509).

2555316291 is a wasteful number, since it uses less digits than its factorization.

2555316291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its digits is 81000, while the sum is 39.

The square root of 2555316291 is about 50550.1364093115. The cubic root of 2555316291 is about 1367.1459741047.

The spelling of 2555316291 in words is "two billion, five hundred fifty-five million, three hundred sixteen thousand, two hundred ninety-one".