2555725956 has 96 divisors (see below), whose sum is σ = 6997401600. Its totient is φ = 710861184.

The previous prime is 2555725903. The next prime is 2555725961. The reversal of 2555725956 is 6595275552.

It is a super-2 number, since 2×2555725956² = 13063470324344227872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555725899 and 2555725908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784026 + ... + 787278.

It is an arithmetic number, because the mean of its divisors is an integer number (72889600).

Almost surely, 2^2555725956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555725956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498700800).

2555725956 is an abundant number, since it is smaller than the sum of its proper divisors (4441675644).

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

2555725956 is a wasteful number, since it uses less digits than its factorization.

2555725956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3511 counting only the distinct ones).

The product of its digits is 4725000, while the sum is 51.

The square root of 2555725956 is about 50554.1883131358. The cubic root of 2555725956 is about 1367.2190298917.

The spelling of 2555725956 in words is "two billion, five hundred fifty-five million, seven hundred twenty-five thousand, nine hundred fifty-six".