2500505055 has 24 divisors (see below), whose sum is σ = 4365401040. Its totient is φ = 1324005120.

The previous prime is 2500505047. The next prime is 2500505141. The reversal of 2500505055 is 5505050052.

It is a happy number.

It is not a de Polignac number, because 2500505055 - 2³ = 2500505047 is a prime.

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, 193626 + ... + 206135.

It is an arithmetic number, because the mean of its divisors is an integer number (181891710).

Almost surely, 2^2500505055 is an apocalyptic number.

2500505055 is a deficient number, since it is larger than the sum of its proper divisors (1864895985).

2500505055 is a wasteful number, since it uses less digits than its factorization.

2500505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399911 (or 399908 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 2500505055 is about 50005.0502949452. The cubic root of 2500505055 is about 1357.3001974895.

The spelling of 2500505055 in words is "two billion, five hundred million, five hundred five thousand, fifty-five".