53790775697 has 2 divisors, whose sum is σ = 53790775698. Its totient is φ = 53790775696.

The previous prime is 53790775691. The next prime is 53790775757. The reversal of 53790775697 is 79657709735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52280365201 + 1510410496 = 228649^2 + 38864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53790775697 is a prime.

It is not a weakly prime, because it can be changed into another prime (53790775691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26895387848 + 26895387849.

It is an arithmetic number, because the mean of its divisors is an integer number (26895387849).

Almost surely, 2^53790775697 is an apocalyptic number.

It is an amenable number.

53790775697 is a deficient number, since it is larger than the sum of its proper divisors (1).

53790775697 is an equidigital number, since it uses as much as digits as its factorization.

53790775697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87516450, while the sum is 65.

The spelling of 53790775697 in words is "fifty-three billion, seven hundred ninety million, seven hundred seventy-five thousand, six hundred ninety-seven".