2505278055 has 32 divisors (see below), whose sum is σ = 4608543744. Its totient is φ = 1138404096.

The previous prime is 2505278053. The next prime is 2505278123. The reversal of 2505278055 is 5508725052.

It is not a de Polignac number, because 2505278055 - 2¹ = 2505278053 is a prime.

2505278055 is a modest number, since divided by 278055 gives 2505 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505278053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53902 + ... + 88971.

It is an arithmetic number, because the mean of its divisors is an integer number (144016992).

Almost surely, 2^2505278055 is an apocalyptic number.

2505278055 is a deficient number, since it is larger than the sum of its proper divisors (2103265689).

2505278055 is a wasteful number, since it uses less digits than its factorization.

2505278055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143055.

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

The square root of 2505278055 is about 50052.7527215037. The cubic root of 2505278055 is about 1358.1632599574.

The spelling of 2505278055 in words is "two billion, five hundred five million, two hundred seventy-eight thousand, fifty-five".