51730754645153 has 2 divisors, whose sum is σ = 51730754645154. Its totient is φ = 51730754645152.

The previous prime is 51730754645111. The next prime is 51730754645177. The reversal of 51730754645153 is 35154645703715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51583522815889 + 147231829264 = 7182167^2 + 383708^2 .

It is a cyclic number.

It is not a de Polignac number, because 51730754645153 - 2²⁴ = 51730737867937 is a prime.

It is not a weakly prime, because it can be changed into another prime (51730754647153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25865377322576 + 25865377322577.

It is an arithmetic number, because the mean of its divisors is an integer number (25865377322577).

Almost surely, 2^{51730754645153} is an apocalyptic number.

It is an amenable number.

51730754645153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51730754645153 is an equidigital number, since it uses as much as digits as its factorization.

51730754645153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460000, while the sum is 56.

The spelling of 51730754645153 in words is "fifty-one trillion, seven hundred thirty billion, seven hundred fifty-four million, six hundred forty-five thousand, one hundred fifty-three".