2520654855 has 64 divisors (see below), whose sum is σ = 4517130240. Its totient is φ = 1192790016.

The previous prime is 2520654853. The next prime is 2520654881. The reversal of 2520654855 is 5584560252.

It is not a de Polignac number, because 2520654855 - 2¹ = 2520654853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520654853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1079269 + ... + 1081601.

It is an arithmetic number, because the mean of its divisors is an integer number (70580160).

Almost surely, 2^2520654855 is an apocalyptic number.

2520654855 is a deficient number, since it is larger than the sum of its proper divisors (1996475385).

2520654855 is a wasteful number, since it uses less digits than its factorization.

2520654855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 480000, while the sum is 42.

The square root of 2520654855 is about 50206.1236802843. The cubic root of 2520654855 is about 1360.9362884775.

The spelling of 2520654855 in words is "two billion, five hundred twenty million, six hundred fifty-four thousand, eight hundred fifty-five".