51422611 has 2 divisors, whose sum is σ = 51422612. Its totient is φ = 51422610.

The previous prime is 51422551. The next prime is 51422617. The reversal of 51422611 is 11622415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51422611 - 2²¹ = 49325459 is a prime.

It is equal to p_3081316 and since 51422611 and 3081316 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51422617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25711305 + 25711306.

It is an arithmetic number, because the mean of its divisors is an integer number (25711306).

Almost surely, 2^51422611 is an apocalyptic number.

51422611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51422611 is an equidigital number, since it uses as much as digits as its factorization.

51422611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 51422611 is about 7170.9560729376. The cubic root of 51422611 is about 371.8644894141.

The spelling of 51422611 in words is "fifty-one million, four hundred twenty-two thousand, six hundred eleven".