53668685417 has 2 divisors, whose sum is σ = 53668685418. Its totient is φ = 53668685416.

The previous prime is 53668685387. The next prime is 53668685453. The reversal of 53668685417 is 71458686635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46870518016 + 6798167401 = 216496^2 + 82451^2 .

It is a cyclic number.

It is not a de Polignac number, because 53668685417 - 2⁶ = 53668685353 is a prime.

It is not a weakly prime, because it can be changed into another prime (53668685467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26834342708 + 26834342709.

It is an arithmetic number, because the mean of its divisors is an integer number (26834342709).

Almost surely, 2^53668685417 is an apocalyptic number.

It is an amenable number.

53668685417 is a deficient number, since it is larger than the sum of its proper divisors (1).

53668685417 is an equidigital number, since it uses as much as digits as its factorization.

53668685417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29030400, while the sum is 59.

The spelling of 53668685417 in words is "fifty-three billion, six hundred sixty-eight million, six hundred eighty-five thousand, four hundred seventeen".