2857055648 has 24 divisors (see below), whose sum is σ = 5720168160. Its totient is φ = 1404314560.

The previous prime is 2857055639. The next prime is 2857055651. The reversal of 2857055648 is 8465507582.

It is a junction number, because it is equal to n+sod(n) for n = 2857055596 and 2857055605.

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, 754748 + ... + 758523.

It is an arithmetic number, because the mean of its divisors is an integer number (238340340).

Almost surely, 2^2857055648 is an apocalyptic number.

It is an amenable number.

2857055648 is an abundant number, since it is smaller than the sum of its proper divisors (2863112512).

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

2857055648 is a wasteful number, since it uses less digits than its factorization.

2857055648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513340 (or 1513332 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The square root of 2857055648 is about 53451.4326094259. The cubic root of 2857055648 is about 1418.9689745187.

The spelling of 2857055648 in words is "two billion, eight hundred fifty-seven million, fifty-five thousand, six hundred forty-eight".