51020552071 has 2 divisors, whose sum is σ = 51020552072. Its totient is φ = 51020552070.

The previous prime is 51020552003. The next prime is 51020552179. The reversal of 51020552071 is 17025502015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51020552071 - 2⁷ = 51020551943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51020553071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25510276035 + 25510276036.

It is an arithmetic number, because the mean of its divisors is an integer number (25510276036).

Almost surely, 2^51020552071 is an apocalyptic number.

51020552071 is a deficient number, since it is larger than the sum of its proper divisors (1).

51020552071 is an equidigital number, since it uses as much as digits as its factorization.

51020552071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 51020552071 in words is "fifty-one billion, twenty million, five hundred fifty-two thousand, seventy-one".