51696527 has 2 divisors, whose sum is σ = 51696528. Its totient is φ = 51696526.

The previous prime is 51696523. The next prime is 51696551. The reversal of 51696527 is 72569615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51696527 - 2² = 51696523 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 (51696523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25848263 + 25848264.

It is an arithmetic number, because the mean of its divisors is an integer number (25848264).

Almost surely, 2^51696527 is an apocalyptic number.

51696527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51696527 is an equidigital number, since it uses as much as digits as its factorization.

51696527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 51696527 is about 7190.0296939582. The cubic root of 51696527 is about 372.5235983428.

The spelling of 51696527 in words is "fifty-one million, six hundred ninety-six thousand, five hundred twenty-seven".