2556553650583 has 2 divisors, whose sum is σ = 2556553650584. Its totient is φ = 2556553650582.

The previous prime is 2556553650463. The next prime is 2556553650617. The reversal of 2556553650583 is 3850563556552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2556553650583 - 2²¹ = 2556551553431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556553630583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278276825291 + 1278276825292.

It is an arithmetic number, because the mean of its divisors is an integer number (1278276825292).

Almost surely, 2^{2556553650583} is an apocalyptic number.

2556553650583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556553650583 is an equidigital number, since it uses as much as digits as its factorization.

2556553650583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000000, while the sum is 58.

The spelling of 2556553650583 in words is "two trillion, five hundred fifty-six billion, five hundred fifty-three million, six hundred fifty thousand, five hundred eighty-three".