52556361877 has 2 divisors, whose sum is σ = 52556361878. Its totient is φ = 52556361876.

The previous prime is 52556361863. The next prime is 52556361941. The reversal of 52556361877 is 77816365525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51435518436 + 1120843441 = 226794^2 + 33479^2 .

It is a cyclic number.

It is not a de Polignac number, because 52556361877 - 2⁷ = 52556361749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52556362877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278180938 + 26278180939.

It is an arithmetic number, because the mean of its divisors is an integer number (26278180939).

Almost surely, 2^52556361877 is an apocalyptic number.

It is an amenable number.

52556361877 is a deficient number, since it is larger than the sum of its proper divisors (1).

52556361877 is an equidigital number, since it uses as much as digits as its factorization.

52556361877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584000, while the sum is 55.

The spelling of 52556361877 in words is "fifty-two billion, five hundred fifty-six million, three hundred sixty-one thousand, eight hundred seventy-seven".