51168071 has 2 divisors, whose sum is σ = 51168072. Its totient is φ = 51168070.

The previous prime is 51168059. The next prime is 51168097. The reversal of 51168071 is 17086115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51168071 - 2¹⁴ = 51151687 is a prime.

It is a super-2 number, since 2×51168071² = 5236342979722082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51168371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25584035 + 25584036.

It is an arithmetic number, because the mean of its divisors is an integer number (25584036).

Almost surely, 2^51168071 is an apocalyptic number.

51168071 is a deficient number, since it is larger than the sum of its proper divisors (1).

51168071 is an equidigital number, since it uses as much as digits as its factorization.

51168071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 51168071 is about 7153.1860733522. The cubic root of 51168071 is about 371.2499024665.

The spelling of 51168071 in words is "fifty-one million, one hundred sixty-eight thousand, seventy-one".