51658127 has 2 divisors, whose sum is σ = 51658128. Its totient is φ = 51658126.

The previous prime is 51658111. The next prime is 51658153. The reversal of 51658127 is 72185615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51658127 - 2⁴ = 51658111 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 (51658027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25829063 + 25829064.

It is an arithmetic number, because the mean of its divisors is an integer number (25829064).

Almost surely, 2^51658127 is an apocalyptic number.

51658127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51658127 is an equidigital number, since it uses as much as digits as its factorization.

51658127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 51658127 is about 7187.3588333963. The cubic root of 51658127 is about 372.4313390858.

The spelling of 51658127 in words is "fifty-one million, six hundred fifty-eight thousand, one hundred twenty-seven".