2556525356 has 48 divisors (see below), whose sum is σ = 5640606720. Its totient is φ = 984846720.

The previous prime is 2556525347. The next prime is 2556525359. The reversal of 2556525356 is 6535256552.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (2556525359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19220 + ... + 74043.

It is an arithmetic number, because the mean of its divisors is an integer number (117512640).

Almost surely, 2^2556525356 is an apocalyptic number.

It is an amenable number.

2556525356 is an abundant number, since it is smaller than the sum of its proper divisors (3084081364).

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

2556525356 is a wasteful number, since it uses less digits than its factorization.

2556525356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93374 (or 93372 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 44.

The square root of 2556525356 is about 50562.0940626474. The cubic root of 2556525356 is about 1367.3615648604.

The spelling of 2556525356 in words is "two billion, five hundred fifty-six million, five hundred twenty-five thousand, three hundred fifty-six".