2555500278 has 16 divisors (see below), whose sum is σ = 5112973296. Its totient is φ = 851504640.

The previous prime is 2555500273. The next prime is 2555500279. The reversal of 2555500278 is 8720055552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555500273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65083 + ... + 96678.

It is an arithmetic number, because the mean of its divisors is an integer number (319560831).

Almost surely, 2^2555500278 is an apocalyptic number.

2555500278 is an abundant number, since it is smaller than the sum of its proper divisors (2557473018).

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

2555500278 is a wasteful number, since it uses less digits than its factorization.

2555500278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164399.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 2555500278 is about 50551.9562232759. The cubic root of 2555500278 is about 1367.1787855744.

The spelling of 2555500278 in words is "two billion, five hundred fifty-five million, five hundred thousand, two hundred seventy-eight".