2555059878 has 24 divisors (see below), whose sum is σ = 6326815248. Its totient is φ = 730017072.

The previous prime is 2555059781. The next prime is 2555059879. The reversal of 2555059878 is 8789505552.

It is a happy number.

2555059878 is a `hidden beast` number, since 2 + 5 + 550 + 5 + 9 + 87 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555059879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10139001 + ... + 10139252.

It is an arithmetic number, because the mean of its divisors is an integer number (263617302).

Almost surely, 2^2555059878 is an apocalyptic number.

2555059878 is an abundant number, since it is smaller than the sum of its proper divisors (3771755370).

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

2555059878 is a wasteful number, since it uses less digits than its factorization.

2555059878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20278268 (or 20278265 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The square root of 2555059878 is about 50547.6001210740. The cubic root of 2555059878 is about 1367.1002438588.

The spelling of 2555059878 in words is "two billion, five hundred fifty-five million, fifty-nine thousand, eight hundred seventy-eight".