2555506116 has 18 divisors (see below), whose sum is σ = 6459751662. Its totient is φ = 851835360.

The previous prime is 2555506081. The next prime is 2555506127. The reversal of 2555506116 is 6116055552.

It can be written as a sum of positive squares in only one way, i.e., 2255870016 + 299636100 = 47496^2 + 17310^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2555506116² = 13061223017826810912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 70986281 = 2555506116 / (2 + 5 + 5 + 5 + 5 + 0 + 6 + 1 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35493105 + ... + 35493176.

Almost surely, 2^2555506116 is an apocalyptic number.

It is an amenable number.

2555506116 is an abundant number, since it is smaller than the sum of its proper divisors (3904245546).

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

2555506116 is a wasteful number, since it uses less digits than its factorization.

2555506116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70986291 (or 70986286 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 2555506116 is about 50552.0139658154. The cubic root of 2555506116 is about 1367.1798266731.

The spelling of 2555506116 in words is "two billion, five hundred fifty-five million, five hundred six thousand, one hundred sixteen".