2506557255 has 16 divisors (see below), whose sum is σ = 4058812800. Its totient is φ = 1320723488.

The previous prime is 2506557187. The next prime is 2506557257. The reversal of 2506557255 is 5527556052.

2506557255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2506557255 - 2⁸ = 2506556999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506557257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005405 + ... + 1007894.

It is an arithmetic number, because the mean of its divisors is an integer number (253675800).

Almost surely, 2^2506557255 is an apocalyptic number.

2506557255 is a deficient number, since it is larger than the sum of its proper divisors (1552255545).

2506557255 is a wasteful number, since it uses less digits than its factorization.

2506557255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013390.

The product of its (nonzero) digits is 525000, while the sum is 42.

The square root of 2506557255 is about 50065.5296087038. The cubic root of 2506557255 is about 1358.3943809198.

The spelling of 2506557255 in words is "two billion, five hundred six million, five hundred fifty-seven thousand, two hundred fifty-five".