2555665582 has 16 divisors (see below), whose sum is σ = 3862404000. Its totient is φ = 1268212000.

The previous prime is 2555665529. The next prime is 2555665583. The reversal of 2555665582 is 2855665552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555665583) 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, 461832 + ... + 467332.

It is an arithmetic number, because the mean of its divisors is an integer number (241400250).

Almost surely, 2^2555665582 is an apocalyptic number.

2555665582 is a deficient number, since it is larger than the sum of its proper divisors (1306738418).

2555665582 is a wasteful number, since it uses less digits than its factorization.

2555665582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211.

The product of its digits is 3600000, while the sum is 49.

The square root of 2555665582 is about 50553.5911879661. The cubic root of 2555665582 is about 1367.2082638532.

The spelling of 2555665582 in words is "two billion, five hundred fifty-five million, six hundred sixty-five thousand, five hundred eighty-two".