51555127523 has 2 divisors, whose sum is σ = 51555127524. Its totient is φ = 51555127522.

The previous prime is 51555127501. The next prime is 51555127567. The reversal of 51555127523 is 32572155515.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51555127523 - 2¹⁰ = 51555126499 is a prime.

It is not a weakly prime, because it can be changed into another prime (51555127223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25777563761 + 25777563762.

It is an arithmetic number, because the mean of its divisors is an integer number (25777563762).

Almost surely, 2^51555127523 is an apocalyptic number.

51555127523 is a deficient number, since it is larger than the sum of its proper divisors (1).

51555127523 is an equidigital number, since it uses as much as digits as its factorization.

51555127523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262500, while the sum is 41.

The spelling of 51555127523 in words is "fifty-one billion, five hundred fifty-five million, one hundred twenty-seven thousand, five hundred twenty-three".