2520656055 has 24 divisors (see below), whose sum is σ = 4428994128. Its totient is φ = 1325932416.

The previous prime is 2520656051. The next prime is 2520656059. The reversal of 2520656055 is 5506560252.

2520656055 is a `hidden beast` number, since 25 + 20 + 6 + 5 + 605 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2520656051) and next prime (2520656059).

It is not a de Polignac number, because 2520656055 - 2² = 2520656051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520656051) 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 23 ways as a sum of consecutive naturals, for example, 380377 + ... + 386946.

It is an arithmetic number, because the mean of its divisors is an integer number (184541422).

Almost surely, 2^2520656055 is an apocalyptic number.

2520656055 is a deficient number, since it is larger than the sum of its proper divisors (1908338073).

2520656055 is a wasteful number, since it uses less digits than its factorization.

2520656055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767407 (or 767404 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2520656055 is about 50206.1356310163. The cubic root of 2520656055 is about 1360.9365044430.

The spelling of 2520656055 in words is "two billion, five hundred twenty million, six hundred fifty-six thousand, fifty-five".