51574995271 has 2 divisors, whose sum is σ = 51574995272. Its totient is φ = 51574995270.

The previous prime is 51574995259. The next prime is 51574995299. The reversal of 51574995271 is 17259947515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51574995271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51574995221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25787497635 + 25787497636.

It is an arithmetic number, because the mean of its divisors is an integer number (25787497636).

Almost surely, 2^51574995271 is an apocalyptic number.

51574995271 is a deficient number, since it is larger than the sum of its proper divisors (1).

51574995271 is an equidigital number, since it uses as much as digits as its factorization.

51574995271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 55.

The spelling of 51574995271 in words is "fifty-one billion, five hundred seventy-four million, nine hundred ninety-five thousand, two hundred seventy-one".