51627887 has 2 divisors, whose sum is σ = 51627888. Its totient is φ = 51627886.

The previous prime is 51627869. The next prime is 51627911. The reversal of 51627887 is 78872615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51627887 - 2¹⁰ = 51626863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51627857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25813943 + 25813944.

It is an arithmetic number, because the mean of its divisors is an integer number (25813944).

Almost surely, 2^51627887 is an apocalyptic number.

51627887 is a deficient number, since it is larger than the sum of its proper divisors (1).

51627887 is an equidigital number, since it uses as much as digits as its factorization.

51627887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 44.

The square root of 51627887 is about 7185.2548319458. The cubic root of 51627887 is about 372.3586527363.

The spelling of 51627887 in words is "fifty-one million, six hundred twenty-seven thousand, eight hundred eighty-seven".