51655627 has 2 divisors, whose sum is σ = 51655628. Its totient is φ = 51655626.

The previous prime is 51655609. The next prime is 51655649. The reversal of 51655627 is 72655615.

51655627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51655627 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51655627 - 2¹¹ = 51653579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51655657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827813 + 25827814.

It is an arithmetic number, because the mean of its divisors is an integer number (25827814).

Almost surely, 2^51655627 is an apocalyptic number.

51655627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51655627 is an equidigital number, since it uses as much as digits as its factorization.

51655627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 37.

The square root of 51655627 is about 7187.1849148328. The cubic root of 51655627 is about 372.4253310388.

The spelling of 51655627 in words is "fifty-one million, six hundred fifty-five thousand, six hundred twenty-seven".