2555508278 has 4 divisors (see below), whose sum is σ = 3833262420. Its totient is φ = 1277754138.

The previous prime is 2555508259. The next prime is 2555508283. The reversal of 2555508278 is 8728055552.

2555508278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638877068 + ... + 638877071.

It is an arithmetic number, because the mean of its divisors is an integer number (958315605).

Almost surely, 2^2555508278 is an apocalyptic number.

2555508278 is a deficient number, since it is larger than the sum of its proper divisors (1277754142).

2555508278 is a wasteful number, since it uses less digits than its factorization.

2555508278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277754141.

The product of its (nonzero) digits is 1120000, while the sum is 47.

The square root of 2555508278 is about 50552.0353497265. The cubic root of 2555508278 is about 1367.1802122251.

The spelling of 2555508278 in words is "two billion, five hundred fifty-five million, five hundred eight thousand, two hundred seventy-eight".