51095771 has 2 divisors, whose sum is σ = 51095772. Its totient is φ = 51095770.

The previous prime is 51095753. The next prime is 51095777. The reversal of 51095771 is 17759015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51095771 is a prime.

It is a super-2 number, since 2×51095771² = 5221555628168882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51095777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25547885 + 25547886.

It is an arithmetic number, because the mean of its divisors is an integer number (25547886).

Almost surely, 2^51095771 is an apocalyptic number.

51095771 is a deficient number, since it is larger than the sum of its proper divisors (1).

51095771 is an equidigital number, since it uses as much as digits as its factorization.

51095771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 51095771 is about 7148.1305947779. The cubic root of 51095771 is about 371.0749625117.

The spelling of 51095771 in words is "fifty-one million, ninety-five thousand, seven hundred seventy-one".