2555115550 has 48 divisors (see below), whose sum is σ = 5129796672. Its totient is φ = 941270400.

The previous prime is 2555115547. The next prime is 2555115593. The reversal of 2555115550 is 555115552.

2555115550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295387 + ... + 303913.

It is an arithmetic number, because the mean of its divisors is an integer number (106870764).

Almost surely, 2^2555115550 is an apocalyptic number.

2555115550 is an abundant number, since it is smaller than the sum of its proper divisors (2574681122).

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

2555115550 is a wasteful number, since it uses less digits than its factorization.

2555115550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 34.

The square root of 2555115550 is about 50548.1508069286. The cubic root of 2555115550 is about 1367.1101730001.

The spelling of 2555115550 in words is "two billion, five hundred fifty-five million, one hundred fifteen thousand, five hundred fifty".