2553558377 has 2 divisors, whose sum is σ = 2553558378. Its totient is φ = 2553558376.

The previous prime is 2553558349. The next prime is 2553558401. The reversal of 2553558377 is 7738553552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2203269721 + 350288656 = 46939^2 + 18716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553558377 - 2²² = 2549364073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553558307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276779188 + 1276779189.

It is an arithmetic number, because the mean of its divisors is an integer number (1276779189).

Almost surely, 2^2553558377 is an apocalyptic number.

It is an amenable number.

2553558377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553558377 is an equidigital number, since it uses as much as digits as its factorization.

2553558377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410000, while the sum is 50.

The square root of 2553558377 is about 50532.7455913490. The cubic root of 2553558377 is about 1366.8323956532.

The spelling of 2553558377 in words is "two billion, five hundred fifty-three million, five hundred fifty-eight thousand, three hundred seventy-seven".