55716847 has 2 divisors, whose sum is σ = 55716848. Its totient is φ = 55716846.

The previous prime is 55716799. The next prime is 55716853. The reversal of 55716847 is 74861755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55716847 - 2¹⁹ = 55192559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55716877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27858423 + 27858424.

It is an arithmetic number, because the mean of its divisors is an integer number (27858424).

Almost surely, 2^55716847 is an apocalyptic number.

55716847 is a deficient number, since it is larger than the sum of its proper divisors (1).

55716847 is an equidigital number, since it uses as much as digits as its factorization.

55716847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 43.

The square root of 55716847 is about 7464.3718422919. The cubic root of 55716847 is about 381.9403226311.

The spelling of 55716847 in words is "fifty-five million, seven hundred sixteen thousand, eight hundred forty-seven".