52656959278901 has 2 divisors, whose sum is σ = 52656959278902. Its totient is φ = 52656959278900.

The previous prime is 52656959278817. The next prime is 52656959278949. The reversal of 52656959278901 is 10987295965625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36151346734801 + 16505612544100 = 6012599^2 + 4062710^2 .

It is a cyclic number.

It is not a de Polignac number, because 52656959278901 - 2²⁶ = 52656892170037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52656959278951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26328479639450 + 26328479639451.

It is an arithmetic number, because the mean of its divisors is an integer number (26328479639451).

Almost surely, 2^{52656959278901} is an apocalyptic number.

It is an amenable number.

52656959278901 is a deficient number, since it is larger than the sum of its proper divisors (1).

52656959278901 is an equidigital number, since it uses as much as digits as its factorization.

52656959278901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832000, while the sum is 74.

The spelling of 52656959278901 in words is "fifty-two trillion, six hundred fifty-six billion, nine hundred fifty-nine million, two hundred seventy-eight thousand, nine hundred one".