27552353557 has 2 divisors, whose sum is σ = 27552353558. Its totient is φ = 27552353556.

The previous prime is 27552353513. The next prime is 27552353567. The reversal of 27552353557 is 75535325572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19291543236 + 8260810321 = 138894^2 + 90889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27552353557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27552353557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27552353567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776176778 + 13776176779.

It is an arithmetic number, because the mean of its divisors is an integer number (13776176779).

Almost surely, 2^27552353557 is an apocalyptic number.

It is an amenable number.

27552353557 is a deficient number, since it is larger than the sum of its proper divisors (1).

27552353557 is an equidigital number, since it uses as much as digits as its factorization.

27552353557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5512500, while the sum is 49.

The spelling of 27552353557 in words is "twenty-seven billion, five hundred fifty-two million, three hundred fifty-three thousand, five hundred fifty-seven".