51488027 has 2 divisors, whose sum is σ = 51488028. Its totient is φ = 51488026.

The previous prime is 51488023. The next prime is 51488029. The reversal of 51488027 is 72088415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51488027 - 2² = 51488023 is a prime.

Together with 51488029, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3084929 and since 51488027 and 3084929 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 (51488023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25744013 + 25744014.

It is an arithmetic number, because the mean of its divisors is an integer number (25744014).

Almost surely, 2^51488027 is an apocalyptic number.

51488027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51488027 is an equidigital number, since it uses as much as digits as its factorization.

51488027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 51488027 is about 7175.5158002753. The cubic root of 51488027 is about 372.0221086602.

The spelling of 51488027 in words is "fifty-one million, four hundred eighty-eight thousand, twenty-seven".