2505455056 has 20 divisors (see below), whose sum is σ = 5227728772. Its totient is φ = 1156363776.

The previous prime is 2505455023. The next prime is 2505455077. The reversal of 2505455056 is 6505545052.

It can be written as a sum of positive squares in 2 ways, for example, as 258695056 + 2246760000 = 16084^2 + 47400^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022521 + ... + 6022936.

Almost surely, 2^2505455056 is an apocalyptic number.

2505455056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2505455056 is an abundant number, since it is smaller than the sum of its proper divisors (2722273716).

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

2505455056 is a wasteful number, since it uses less digits than its factorization.

2505455056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045478 (or 12045472 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 2505455056 is about 50054.5208347857. The cubic root of 2505455056 is about 1358.1952445101.

The spelling of 2505455056 in words is "two billion, five hundred five million, four hundred fifty-five thousand, fifty-six".