51555055159 has 2 divisors, whose sum is σ = 51555055160. Its totient is φ = 51555055158.

The previous prime is 51555055147. The next prime is 51555055163. The reversal of 51555055159 is 95155055515.

51555055159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51555055159 - 2¹³ = 51555046967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51555050159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25777527579 + 25777527580.

It is an arithmetic number, because the mean of its divisors is an integer number (25777527580).

Almost surely, 2^51555055159 is an apocalyptic number.

51555055159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51555055159 is an equidigital number, since it uses as much as digits as its factorization.

51555055159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 703125, while the sum is 46.

The spelling of 51555055159 in words is "fifty-one billion, five hundred fifty-five million, fifty-five thousand, one hundred fifty-nine".