53615640726677 has 2 divisors, whose sum is σ = 53615640726678. Its totient is φ = 53615640726676.

The previous prime is 53615640726671. The next prime is 53615640726679. The reversal of 53615640726677 is 77662704651635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48868292623396 + 4747348103281 = 6990586^2 + 2178841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53615640726677 is a prime.

Together with 53615640726679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53615640726671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26807820363338 + 26807820363339.

It is an arithmetic number, because the mean of its divisors is an integer number (26807820363339).

Almost surely, 2^{53615640726677} is an apocalyptic number.

It is an amenable number.

53615640726677 is a deficient number, since it is larger than the sum of its proper divisors (1).

53615640726677 is an equidigital number, since it uses as much as digits as its factorization.

53615640726677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 266716800, while the sum is 65.

The spelling of 53615640726677 in words is "fifty-three trillion, six hundred fifteen billion, six hundred forty million, seven hundred twenty-six thousand, six hundred seventy-seven".