2520538855 has 8 divisors (see below), whose sum is σ = 3122216064. Its totient is φ = 1951384800.

The previous prime is 2520538831. The next prime is 2520538859. The reversal of 2520538855 is 5588350252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520538855 - 2⁹ = 2520538343 is a prime.

It is a super-2 number, since 2×2520538855² = 12706232239129422050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520538859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8130616 + ... + 8130925.

It is an arithmetic number, because the mean of its divisors is an integer number (390277008).

Almost surely, 2^2520538855 is an apocalyptic number.

2520538855 is a deficient number, since it is larger than the sum of its proper divisors (601677209).

2520538855 is a wasteful number, since it uses less digits than its factorization.

2520538855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16261577.

The product of its (nonzero) digits is 480000, while the sum is 43.

The square root of 2520538855 is about 50204.9684294294. The cubic root of 2520538855 is about 1360.9154114911.

The spelling of 2520538855 in words is "two billion, five hundred twenty million, five hundred thirty-eight thousand, eight hundred fifty-five".