52772043557 has 2 divisors, whose sum is σ = 52772043558. Its totient is φ = 52772043556.

The previous prime is 52772043517. The next prime is 52772043641. The reversal of 52772043557 is 75534027725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26478123841 + 26293919716 = 162721^2 + 162154^2 .

It is a cyclic number.

It is not a de Polignac number, because 52772043557 - 2³² = 48477076261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52772043517) 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, 26386021778 + 26386021779.

It is an arithmetic number, because the mean of its divisors is an integer number (26386021779).

Almost surely, 2^52772043557 is an apocalyptic number.

It is an amenable number.

52772043557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52772043557 is an equidigital number, since it uses as much as digits as its factorization.

52772043557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058000, while the sum is 47.

The spelling of 52772043557 in words is "fifty-two billion, seven hundred seventy-two million, forty-three thousand, five hundred fifty-seven".