52805500477 has 2 divisors, whose sum is σ = 52805500478. Its totient is φ = 52805500476.

The previous prime is 52805500469. The next prime is 52805500529. The reversal of 52805500477 is 77400550825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50345935641 + 2459564836 = 224379^2 + 49594^2 .

It is a cyclic number.

It is not a de Polignac number, because 52805500477 - 2³ = 52805500469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52805501477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402750238 + 26402750239.

It is an arithmetic number, because the mean of its divisors is an integer number (26402750239).

Almost surely, 2^52805500477 is an apocalyptic number.

It is an amenable number.

52805500477 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805500477 is an equidigital number, since it uses as much as digits as its factorization.

52805500477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392000, while the sum is 43.

The spelling of 52805500477 in words is "fifty-two billion, eight hundred five million, five hundred thousand, four hundred seventy-seven".