51406177 has 2 divisors, whose sum is σ = 51406178. Its totient is φ = 51406176.

The previous prime is 51406151. The next prime is 51406189. The reversal of 51406177 is 77160415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49434961 + 1971216 = 7031^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 51406177 - 2¹⁵ = 51373409 is a prime.

It is not a weakly prime, because it can be changed into another prime (51400177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25703088 + 25703089.

It is an arithmetic number, because the mean of its divisors is an integer number (25703089).

Almost surely, 2^51406177 is an apocalyptic number.

It is an amenable number.

51406177 is a deficient number, since it is larger than the sum of its proper divisors (1).

51406177 is an equidigital number, since it uses as much as digits as its factorization.

51406177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 51406177 is about 7169.8101090615. The cubic root of 51406177 is about 371.8248708362.

The spelling of 51406177 in words is "fifty-one million, four hundred six thousand, one hundred seventy-seven".