53755621752029 has 2 divisors, whose sum is σ = 53755621752030. Its totient is φ = 53755621752028.

The previous prime is 53755621751977. The next prime is 53755621752061. The reversal of 53755621752029 is 92025712655735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38722181971225 + 15033439780804 = 6222715^2 + 3877298^2 .

It is a cyclic number.

It is not a de Polignac number, because 53755621752029 - 2⁴⁰ = 52656110124253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53755621755029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26877810876014 + 26877810876015.

It is an arithmetic number, because the mean of its divisors is an integer number (26877810876015).

Almost surely, 2^{53755621752029} is an apocalyptic number.

It is an amenable number.

53755621752029 is a deficient number, since it is larger than the sum of its proper divisors (1).

53755621752029 is an equidigital number, since it uses as much as digits as its factorization.

53755621752029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690000, while the sum is 59.

The spelling of 53755621752029 in words is "fifty-three trillion, seven hundred fifty-five billion, six hundred twenty-one million, seven hundred fifty-two thousand, twenty-nine".