2055981056 has 24 divisors (see below), whose sum is σ = 4110962310. Its totient is φ = 1027989504.

The previous prime is 2055981047. The next prime is 2055981061. The reversal of 2055981056 is 6501895502.

It can be written as a sum of positive squares in only one way, i.e., 1250329600 + 805651456 = 35360^2 + 28384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499901 + ... + 503996.

Almost surely, 2^2055981056 is an apocalyptic number.

It is an amenable number.

2055981056 is a deficient number, since it is larger than the sum of its proper divisors (2054981254).

2055981056 is an equidigital number, since it uses as much as digits as its factorization.

2055981056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003919 (or 1003899 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 2055981056 is about 45342.9272985325. The cubic root of 2055981056 is about 1271.5683305094.

The spelling of 2055981056 in words is "two billion, fifty-five million, nine hundred eighty-one thousand, fifty-six".