51553025161439 has 2 divisors, whose sum is σ = 51553025161440. Its totient is φ = 51553025161438.

The previous prime is 51553025161387. The next prime is 51553025161447. The reversal of 51553025161439 is 93416152035515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51553025161439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51553025761439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25776512580719 + 25776512580720.

It is an arithmetic number, because the mean of its divisors is an integer number (25776512580720).

Almost surely, 2^{51553025161439} is an apocalyptic number.

51553025161439 is a deficient number, since it is larger than the sum of its proper divisors (1).

51553025161439 is an equidigital number, since it uses as much as digits as its factorization.

51553025161439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 51553025161439 in words is "fifty-one trillion, five hundred fifty-three billion, twenty-five million, one hundred sixty-one thousand, four hundred thirty-nine".