55696871 has 2 divisors, whose sum is σ = 55696872. Its totient is φ = 55696870.

The previous prime is 55696867. The next prime is 55696889. The reversal of 55696871 is 17869655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55696871 - 2² = 55696867 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 (55696891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27848435 + 27848436.

It is an arithmetic number, because the mean of its divisors is an integer number (27848436).

Almost surely, 2^55696871 is an apocalyptic number.

55696871 is a deficient number, since it is larger than the sum of its proper divisors (1).

55696871 is an equidigital number, since it uses as much as digits as its factorization.

55696871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 55696871 is about 7463.0336325116. The cubic root of 55696871 is about 381.8946718553.

The spelling of 55696871 in words is "fifty-five million, six hundred ninety-six thousand, eight hundred seventy-one".