2555983057 has 2 divisors, whose sum is σ = 2555983058. Its totient is φ = 2555983056.

The previous prime is 2555983043. The next prime is 2555983117. The reversal of 2555983057 is 7503895552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1817828496 + 738154561 = 42636^2 + 27169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555983057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555983057.

It is not a weakly prime, because it can be changed into another prime (2555983357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277991528 + 1277991529.

It is an arithmetic number, because the mean of its divisors is an integer number (1277991529).

Almost surely, 2^2555983057 is an apocalyptic number.

It is an amenable number.

2555983057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555983057 is an equidigital number, since it uses as much as digits as its factorization.

2555983057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The square root of 2555983057 is about 50556.7310751002. The cubic root of 2555983057 is about 1367.2648748687.

The spelling of 2555983057 in words is "two billion, five hundred fifty-five million, nine hundred eighty-three thousand, fifty-seven".