53563411877 has 2 divisors, whose sum is σ = 53563411878. Its totient is φ = 53563411876.

The previous prime is 53563411873. The next prime is 53563411883. The reversal of 53563411877 is 77811436535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53317580836 + 245831041 = 230906^2 + 15679^2 .

It is a cyclic number.

It is not a de Polignac number, because 53563411877 - 2² = 53563411873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53563411873) 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, 26781705938 + 26781705939.

It is an arithmetic number, because the mean of its divisors is an integer number (26781705939).

Almost surely, 2^53563411877 is an apocalyptic number.

It is an amenable number.

53563411877 is a deficient number, since it is larger than the sum of its proper divisors (1).

53563411877 is an equidigital number, since it uses as much as digits as its factorization.

53563411877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The spelling of 53563411877 in words is "fifty-three billion, five hundred sixty-three million, four hundred eleven thousand, eight hundred seventy-seven".