2555706916 has 81 divisors (see below), whose sum is σ = 5473590129. Its totient is φ = 1041007968.

The previous prime is 2555706899. The next prime is 2555706931. The reversal of 2555706916 is 6196075552.

The square root of 2555706916 is 50554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 749116900 + 1806590016 = 27370^2 + 42504^2 .

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16278310 + ... + 16278466.

Almost surely, 2^2555706916 is an apocalyptic number.

2555706916 is the 50554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555706916

2555706916 is an abundant number, since it is smaller than the sum of its proper divisors (2917883213).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555706916 is a wasteful number, since it uses less digits than its factorization.

2555706916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 46.

The cubic root of 2555706916 is about 1367.2156346509.

The spelling of 2555706916 in words is "two billion, five hundred fifty-five million, seven hundred six thousand, nine hundred sixteen".