2057310056 has 8 divisors (see below), whose sum is σ = 3857456370. Its totient is φ = 1028655024.

The previous prime is 2057310043. The next prime is 2057310077. The reversal of 2057310056 is 6500137502.

It can be written as a sum of positive squares in only one way, i.e., 1213407556 + 843902500 = 34834^2 + 29050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128581871 + ... + 128581886.

Almost surely, 2^2057310056 is an apocalyptic number.

It is an amenable number.

2057310056 is a deficient number, since it is larger than the sum of its proper divisors (1800146314).

2057310056 is a wasteful number, since it uses less digits than its factorization.

2057310056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257163763 (or 257163759 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2057310056 is about 45357.5799178043. The cubic root of 2057310056 is about 1271.8422549396.

Adding to 2057310056 its reverse (6500137502), we get a palindrome (8557447558).

The spelling of 2057310056 in words is "two billion, fifty-seven million, three hundred ten thousand, fifty-six".