53516435311901 has 2 divisors, whose sum is σ = 53516435311902. Its totient is φ = 53516435311900.

The previous prime is 53516435311879. The next prime is 53516435311921. The reversal of 53516435311901 is 10911353461535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49416316546276 + 4100118765625 = 7029674^2 + 2024875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53516435311901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53516435311921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758217655950 + 26758217655951.

It is an arithmetic number, because the mean of its divisors is an integer number (26758217655951).

Almost surely, 2^{53516435311901} is an apocalyptic number.

It is an amenable number.

53516435311901 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516435311901 is an equidigital number, since it uses as much as digits as its factorization.

53516435311901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 53516435311901 in words is "fifty-three trillion, five hundred sixteen billion, four hundred thirty-five million, three hundred eleven thousand, nine hundred one".