53264497861 has 2 divisors, whose sum is σ = 53264497862. Its totient is φ = 53264497860.

The previous prime is 53264497747. The next prime is 53264497877. The reversal of 53264497861 is 16879446235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44639660961 + 8624836900 = 211281^2 + 92870^2 .

It is a cyclic number.

It is not a de Polignac number, because 53264497861 - 2³⁵ = 18904759493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53265497861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26632248930 + 26632248931.

It is an arithmetic number, because the mean of its divisors is an integer number (26632248931).

Almost surely, 2^53264497861 is an apocalyptic number.

It is an amenable number.

53264497861 is a deficient number, since it is larger than the sum of its proper divisors (1).

53264497861 is an equidigital number, since it uses as much as digits as its factorization.

53264497861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 53264497861 in words is "fifty-three billion, two hundred sixty-four million, four hundred ninety-seven thousand, eight hundred sixty-one".