51625055071 has 2 divisors, whose sum is σ = 51625055072. Its totient is φ = 51625055070.

The previous prime is 51625055057. The next prime is 51625055093. The reversal of 51625055071 is 17055052615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51625055071 - 2²³ = 51616666463 is a prime.

It is a super-2 number, since 2×51625055071² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51625055071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51625056071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25812527535 + 25812527536.

It is an arithmetic number, because the mean of its divisors is an integer number (25812527536).

Almost surely, 2^51625055071 is an apocalyptic number.

51625055071 is a deficient number, since it is larger than the sum of its proper divisors (1).

51625055071 is an equidigital number, since it uses as much as digits as its factorization.

51625055071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 51625055071 in words is "fifty-one billion, six hundred twenty-five million, fifty-five thousand, seventy-one".