2556522552 has 16 divisors (see below), whose sum is σ = 6391306440. Its totient is φ = 852174176.

The previous prime is 2556522547. The next prime is 2556522557. The reversal of 2556522552 is 2552256552.

It is an interprime number because it is at equal distance from previous prime (2556522547) and next prime (2556522557).

It is a self number, because there is not a number n which added to its sum of digits gives 2556522552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556522557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53260863 + ... + 53260910.

Almost surely, 2^2556522552 is an apocalyptic number.

It is an amenable number.

2556522552 is an abundant number, since it is smaller than the sum of its proper divisors (3834783888).

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

2556522552 is a wasteful number, since it uses less digits than its factorization.

2556522552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106521782 (or 106521778 counting only the distinct ones).

The product of its digits is 300000, while the sum is 39.

The square root of 2556522552 is about 50562.0663343578. The cubic root of 2556522552 is about 1367.3610649523.

The spelling of 2556522552 in words is "two billion, five hundred fifty-six million, five hundred twenty-two thousand, five hundred fifty-two".