51730754647153 has 2 divisors, whose sum is σ = 51730754647154. Its totient is φ = 51730754647152.

The previous prime is 51730754647147. The next prime is 51730754647157. The reversal of 51730754647153 is 35174645703715.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30713453648784 + 21017300998369 = 5541972^2 + 4584463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51730754647153 is a prime.

It is not a weakly prime, because it can be changed into another prime (51730754647157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25865377323576 + 25865377323577.

It is an arithmetic number, because the mean of its divisors is an integer number (25865377323577).

Almost surely, 2^{51730754647153} is an apocalyptic number.

It is an amenable number.

51730754647153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51730754647153 is an equidigital number, since it uses as much as digits as its factorization.

51730754647153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 51730754647153 in words is "fifty-one trillion, seven hundred thirty billion, seven hundred fifty-four million, six hundred forty-seven thousand, one hundred fifty-three".