2552775557 has 2 divisors, whose sum is σ = 2552775558. Its totient is φ = 2552775556.

The previous prime is 2552775551. The next prime is 2552775583. The reversal of 2552775557 is 7555772552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2540059201 + 12716356 = 50399^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552775557 - 2²⁰ = 2551726981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552775551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276387778 + 1276387779.

It is an arithmetic number, because the mean of its divisors is an integer number (1276387779).

Almost surely, 2^2552775557 is an apocalyptic number.

It is an amenable number.

2552775557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552775557 is an equidigital number, since it uses as much as digits as its factorization.

2552775557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4287500, while the sum is 50.

The square root of 2552775557 is about 50524.9993270658. Note that the first 3 decimals coincide. The cubic root of 2552775557 is about 1366.6927091276.

The spelling of 2552775557 in words is "two billion, five hundred fifty-two million, seven hundred seventy-five thousand, five hundred fifty-seven".