2551030856 has 32 divisors (see below), whose sum is σ = 5233032000. Its totient is φ = 1156223040.

The previous prime is 2551030843. The next prime is 2551030883. The reversal of 2551030856 is 6580301552.

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 7 ways as a sum of consecutive naturals, for example, 10820 + ... + 72243.

It is an arithmetic number, because the mean of its divisors is an integer number (163532250).

Almost surely, 2^2551030856 is an apocalyptic number.

It is an amenable number.

2551030856 is an abundant number, since it is smaller than the sum of its proper divisors (2682001144).

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

2551030856 is a wasteful number, since it uses less digits than its factorization.

2551030856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83429 (or 83425 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2551030856 is about 50507.7306558115. The cubic root of 2551030856 is about 1366.3812816228.

The spelling of 2551030856 in words is "two billion, five hundred fifty-one million, thirty thousand, eight hundred fifty-six".