2655555556 has 6 divisors (see below), whose sum is σ = 4647222230. Its totient is φ = 1327777776.

The previous prime is 2655555547. The next prime is 2655555563. The reversal of 2655555556 is 6555555562.

2655555556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2059707456 + 595848100 = 45384^2 + 24410^2 .

It is a super-2 number, since 2×2655555556² = 14103950622004938272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331944441 + ... + 331944448.

Almost surely, 2^2655555556 is an apocalyptic number.

It is an amenable number.

2655555556 is a deficient number, since it is larger than the sum of its proper divisors (1991666674).

2655555556 is a wasteful number, since it uses less digits than its factorization.

2655555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663888893 (or 663888891 counting only the distinct ones).

The product of its digits is 5625000, while the sum is 49.

The square root of 2655555556 is about 51532.0827834467. The cubic root of 2655555556 is about 1384.7938640244.

The spelling of 2655555556 in words is "two billion, six hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".