2555665562 has 16 divisors (see below), whose sum is σ = 4008958272. Its totient is φ = 1219590240.

The previous prime is 2555665529. The next prime is 2555665583. The reversal of 2555665562 is 2655665552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39764 + ... + 81807.

It is an arithmetic number, because the mean of its divisors is an integer number (250559892).

Almost surely, 2^2555665562 is an apocalyptic number.

2555665562 is a deficient number, since it is larger than the sum of its proper divisors (1453292710).

2555665562 is a wasteful number, since it uses less digits than its factorization.

2555665562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122053.

The product of its digits is 2700000, while the sum is 47.

The square root of 2555665562 is about 50553.5909901562. The cubic root of 2555665562 is about 1367.2082602868.

The spelling of 2555665562 in words is "two billion, five hundred fifty-five million, six hundred sixty-five thousand, five hundred sixty-two".