2555577443 has 2 divisors, whose sum is σ = 2555577444. Its totient is φ = 2555577442.

The previous prime is 2555577397. The next prime is 2555577467. The reversal of 2555577443 is 3447755552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555577443 - 2²⁴ = 2538800227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555577943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277788721 + 1277788722.

It is an arithmetic number, because the mean of its divisors is an integer number (1277788722).

Almost surely, 2^2555577443 is an apocalyptic number.

2555577443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555577443 is an equidigital number, since it uses as much as digits as its factorization.

2555577443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940000, while the sum is 47.

The square root of 2555577443 is about 50552.7194421823. The cubic root of 2555577443 is about 1367.1925463880.

The spelling of 2555577443 in words is "two billion, five hundred fifty-five million, five hundred seventy-seven thousand, four hundred forty-three".