2555255528 has 48 divisors (see below), whose sum is σ = 5584090500. Its totient is φ = 1092994560.

The previous prime is 2555255519. The next prime is 2555255537. The reversal of 2555255528 is 8255525552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2555255519) and next prime (2555255537).

It can be written as a sum of positive squares in 2 ways, for example, as 2550048004 + 5207524 = 50498^2 + 2282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206048 + ... + 218096.

Almost surely, 2^2555255528 is an apocalyptic number.

2555255528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555255528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792045250).

2555255528 is an abundant number, since it is smaller than the sum of its proper divisors (3028834972).

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

2555255528 is a wasteful number, since it uses less digits than its factorization.

2555255528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610 (or 12599 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 44.

The square root of 2555255528 is about 50549.5353885671. The cubic root of 2555255528 is about 1367.1351375402.

The spelling of 2555255528 in words is "two billion, five hundred fifty-five million, two hundred fifty-five thousand, five hundred twenty-eight".