2056557200 has 30 divisors (see below), whose sum is σ = 4940879634. Its totient is φ = 822622720.

The previous prime is 2056557197. The next prime is 2056557203. The reversal of 2056557200 is 27556502.

It is an interprime number because it is at equal distance from previous prime (2056557197) and next prime (2056557203).

It can be written as a sum of positive squares in 3 ways, for example, as 478864 + 2056078336 = 692^2 + 45344^2 .

It is not an unprimeable number, because it can be changed into a prime (2056557203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2570297 + ... + 2571096.

Almost surely, 2^2056557200 is an apocalyptic number.

2056557200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056557200 is an abundant number, since it is smaller than the sum of its proper divisors (2884322434).

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

2056557200 is a wasteful number, since it uses less digits than its factorization.

2056557200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141411 (or 5141400 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2056557200 is about 45349.2800383865. The cubic root of 2056557200 is about 1271.6870958777.

The spelling of 2056557200 in words is "two billion, fifty-six million, five hundred fifty-seven thousand, two hundred".